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Subject: Management of single brain metastasis: a practice guideline
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      2007 Multimed Inc.</DIV>
      <DIV class=3Dfm-title>Management of single brain metastasis: a =
practice=20
      guideline</DIV>
      <DIV class=3D"contrib-group fm-author">A. Mintz, MD,<SUP>*</SUP> =
J. Perry,=20
      MD,<SUP>=E2=80=A0</SUP><SUP></SUP> K. Spithoff, =
BHSc,<SUP>=E2=80=A1</SUP> A. Chambers,=20
      MA,<SUP>=E2=80=A1</SUP> and N. Laperriere, MD<SUP>=C2=A7</SUP>, =
<SPAN>on behalf of the=20
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Program in=20
      Evidence-Based Care</SPAN></DIV><SUP>||</SUP>
      <DIV class=3Dfm-affl><SUP>*</SUP>University of Pittsburgh, =
Department of=20
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      <DIV class=3Dfm-affl><SUP>=E2=80=A0</SUP> =
Toronto=E2=80=93Sunnybrook Regional Cancer Centre,=20
      Toronto, Ontario.</DIV>
      <DIV class=3Dfm-affl><SUP>=E2=80=A1</SUP> Cancer Care Ontario, =
Program in=20
      Evidence-Based Care, McMaster University, Hamilton, Ontario.</DIV>
      <DIV class=3Dfm-affl><SUP>=C2=A7</SUP> Princess Margaret Hospital, =
Toronto,=20
      Ontario</DIV>
      <DIV class=3Dfm-footnote id=3Dc1-co14_4p131>Correspondence to: =
James Perry,=20
      c/o Karen Spithoff, Cancer Care Ontario, Program in Evidence-Based =
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style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58424=
2">1.=20
          INTRODUCTION</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58427=
0">2.=20
          CHOICE OF TOPIC AND RATIONALE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58445=
5">3.=20
          METHODS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58470=
3">4.=20
          RESULTS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58621=
6">5.=20
          DISCUSSION</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58701=
6">6.=20
          NEURO-<IMG=20
          style=3D"BORDER-TOP-STYLE: none; BORDER-RIGHT-STYLE: none; =
BORDER-LEFT-STYLE: none; BORDER-BOTTOM-STYLE: none"=20
          =
src=3D"http://www.ncbi.nlm.nih.gov/corehtml/pmc/pmcents/dot.gif">ONCOLOGY=
=20
          DSG CONSENSUS PROCESS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58705=
8">7.=20
          EXTERNAL REVIEW OF THE PRACTICE GUIDELINE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58742=
0">8.=20
          PRACTICE GUIDELINE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58751=
3">9.=20
          PRACTICE GUIDELINE DATE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__ref-listid=
587541">10.=20
          REFERENCES</A></LI></UL></LI></UL></DIV>
      <DIV>Abstract</DIV></DIV>
      <DIV class=3Dsection-content =
id=3D__abstractid602202content><!--article-meta-->
      <DIV class=3D"sec sec-first" id=3D__secid602203>
      <DIV class=3D"abs-head2 head-separate">Questions</DIV>
      <DIV class=3D"p p-first" id=3D__pid602207>Should patients with =
confirmed=20
      single brain metastasis undergo surgical resection?</DIV>
      <DIV class=3Dp id=3D__pid602211>Should patients with single brain =
metastasis=20
      undergoing surgical resection receive adjuvant whole-brain =
radiation=20
      therapy (<SPAN class=3Dsmall-caps>wbrt</SPAN>)?</DIV>
      <DIV class=3D"p p-last" id=3D__pid602218>What is the role of =
stereotactic=20
      radiosurgery (<SPAN class=3Dsmall-caps>srs</SPAN>) in the =
management of=20
      patients with single brain metastasis?</DIV></DIV>
      <DIV class=3Dsec id=3D__secid602225>
      <DIV class=3D"abs-head2 head-separate">Perspectives</DIV>
      <DIV class=3D"p p-first-last" id=3D__pid602229>Approximately =
15%=E2=80=9330% of=20
      patients with cancer will develop cerebral metastases over the =
course of=20
      their disease. Patients identified as having single brain =
metastasis=20
      generally undergo more aggressive treatment than do those with =
multiple=20
      metastases; however, in the province of Ontario, management of =
patients=20
      with single brain metastasis varies. Given that conflicting =
evidence has=20
      been reported, the Neuro-oncology Disease Site Group (<SPAN=20
      class=3Dsmall-caps>dsg</SPAN>) of the Cancer Care Ontario Program =
in=20
      Evidence-based Care felt that a systematic review of the evidence =
and a=20
      practice guideline were warranted.</DIV></DIV>
      <DIV class=3Dsec id=3D__secid602240>
      <DIV class=3D"abs-head2 head-separate">Outcomes</DIV>
      <DIV class=3D"p p-first-last" id=3D__pid602244>Outcomes of =
interest were=20
      survival, local control of disease, quality of life, and adverse=20
      effects.</DIV></DIV>
      <DIV class=3Dsec id=3D__secid602248>
      <DIV class=3D"abs-head2 head-separate">Methodology</DIV>
      <DIV class=3D"p p-first" id=3D__pid602254>The <SPAN=20
      class=3Dsmall-caps>medline</SPAN>, <SPAN =
class=3Dsmall-caps>cancerlit</SPAN>,=20
      <SPAN class=3Dsmall-caps>embase</SPAN>, and Cochrane Library =
databases and=20
      abstracts published in the proceedings of the annual meetings of =
the=20
      American Society of Clinical Oncology (1997=E2=80=932005) and =
American Society for=20
      Therapeutic Radiology and Oncology (1998=E2=80=932004) were =
systematically=20
      searched for relevant evidence. The review included fully =
published=20
      reports or abstracts of randomized controlled trials (<SPAN=20
      class=3Dsmall-caps>rct</SPAN>s), nonrandomized prospective =
studies, and=20
      retrospective studies.</DIV>
      <DIV class=3D"p p-last" id=3D__pid602276>The present systematic =
review and=20
      practice guideline has been reviewed and approved by the =
Neuro-oncology=20
      <SPAN class=3Dsmall-caps>dsg</SPAN>, which comprises medical and =
radiation=20
      oncologists, surgeons, neurologists, a nurse, and a patient=20
      representative. External review by Ontario practitioners was =
obtained=20
      through an electronic survey. Final approval of the guideline =
report was=20
      obtained from the Report Approval Panel and the Neuro-oncology =
<SPAN=20
      class=3Dsmall-caps>dsg</SPAN>.</DIV></DIV>
      <DIV class=3Dsec id=3D__secid602290>
      <DIV class=3D"abs-head2 head-separate">Results</DIV>
      <DIV class=3D"sec sec-first" id=3D__secid602294><SPAN =
class=3Dabs-head3>Quality=20
      of Evidence </SPAN>
      <DIV class=3D"p p-first" id=3D__pid602298>The literature search =
found three=20
      <SPAN class=3Dsmall-caps>rct</SPAN>s that compared surgical =
resection plus=20
      <SPAN class=3Dsmall-caps>wbrt</SPAN> with <SPAN =
class=3Dsmall-caps>wbrt</SPAN>=20
      alone. In addition, a Cochrane review, including a meta-analysis =
of=20
      published data from those three <SPAN =
class=3Dsmall-caps>rct</SPAN>s, was=20
      obtained.</DIV>
      <DIV class=3D"p p-last" id=3D__pid602318>One <SPAN =
class=3Dsmall-caps>rct</SPAN>=20
      compared surgical resection plus <SPAN =
class=3Dsmall-caps>wbrt</SPAN> with=20
      surgical resection alone. One <SPAN class=3Dsmall-caps>rct</SPAN> =
compared=20
      <SPAN class=3Dsmall-caps>wbrt</SPAN> plus <SPAN =
class=3Dsmall-caps>srs</SPAN>=20
      with <SPAN class=3Dsmall-caps>wbrt</SPAN> alone. Evidence =
comparing <SPAN=20
      class=3Dsmall-caps>srs</SPAN> with surgical resection or examining =
<SPAN=20
      class=3Dsmall-caps>srs</SPAN> with or without <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> was limited to prospective case =
series and=20
      retrospective studies.</DIV></DIV>
      <DIV class=3Dsec id=3D__secid602357><SPAN =
class=3Dabs-head3>Benefits </SPAN>
      <DIV class=3D"p p-first" id=3D__pid602361>Two of three <SPAN=20
      class=3Dsmall-caps>rct</SPAN>s reported a significant survival =
benefit for=20
      patients who underwent surgical resection as compared with those =
who=20
      received <SPAN class=3Dsmall-caps>wbrt</SPAN> alone. Pooled =
results of the=20
      three <SPAN class=3Dsmall-caps>rct</SPAN>s indicated no =
significant=20
      difference in survival or likelihood of dying from neurologic =
causes;=20
      however, significant heterogeneity was detected between the =
trials. The=20
      <SPAN class=3Dsmall-caps>rct</SPAN> that compared surgical =
resection plus=20
      <SPAN class=3Dsmall-caps>wbrt</SPAN> with surgical resection alone =
reported=20
      no significant difference in overall survival or length of =
functional=20
      independence; however, tumour recurrence at the site of the =
metastasis and=20
      anywhere in the brain was less frequent in patients who received =
<SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> as compared with patients in the =
observation=20
      group. In addition, patients who received <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> were less likely to die from =
neurologic=20
      causes.</DIV>
      <DIV class=3D"p p-last" id=3D__pid602398>Results of the <SPAN=20
      class=3Dsmall-caps>rct</SPAN> that compared <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> plus <SPAN =
class=3Dsmall-caps>srs</SPAN> with=20
      <SPAN class=3Dsmall-caps>wbrt</SPAN> alone indicated a significant =

      improvement in median survival in patients who received <SPAN=20
      class=3Dsmall-caps>srs</SPAN>. No quality evidence compares the =
efficacy of=20
      <SPAN class=3Dsmall-caps>srs</SPAN> with surgical resection or =
examines the=20
      question of whether patients who receive <SPAN =
class=3Dsmall-caps>srs</SPAN>=20
      should also receive <SPAN =
class=3Dsmall-caps>wbrt</SPAN>.</DIV></DIV>
      <DIV class=3D"sec sec-last" id=3D__secid602434><SPAN =
class=3Dabs-head3>Harms=20
      </SPAN>
      <DIV class=3D"p p-first-last" id=3D__pid602438>Pooled results of =
the three=20
      <SPAN class=3Dsmall-caps>rct</SPAN>s that examined surgical =
resection=20
      indicated no significant difference in adverse effects between =
groups.=20
      Postoperative complications included respiratory problems, =
intracerebral=20
      hemorrhage, and infection. One <SPAN class=3Dsmall-caps>rct</SPAN> =
reported=20
      no significant difference in adverse effects between patients who =
received=20
      <SPAN class=3Dsmall-caps>wbrt</SPAN> plus <SPAN =
class=3Dsmall-caps>srs</SPAN>=20
      and those who received <SPAN class=3Dsmall-caps>wbrt</SPAN>=20
      alone.</DIV></DIV></DIV>
      <DIV class=3D"sec sec-last" id=3D__secid602463>
      <DIV class=3D"abs-head2 head-separate">Practice Guideline</DIV>
      <DIV class=3D"sec sec-first" id=3D__secid602467><SPAN =
class=3Dabs-head3>Target=20
      Population </SPAN>
      <DIV class=3D"p p-first-last" id=3D__pid584150>The recommendations =
that follow=20
      apply to adults with confirmed cancer and a single brain =
metastasis. This=20
      practice guideline does not apply to patients with metastatic =
lymphoma,=20
      small-cell lung cancer, germ-cell tumour, leukemia, or=20
sarcoma.</DIV></DIV>
      <DIV class=3Dsec id=3D__secid584155><SPAN =
class=3Dabs-head3>Recommendations=20
      </SPAN>
      <DIV class=3D"p p-first" id=3D__pid584159>Surgical excision should =
be=20
      considered for patients with good performance status, minimal or =
no=20
      evidence of extracranial disease, and a surgically accessible =
single brain=20
      metastasis amenable to complete excision. Because treatment in =
cases of=20
      single brain metastasis is considered palliative, invasive local=20
      treatments must be individualized. Patients with lesions requiring =

      emergency decompression because of intracranial hypertension were =
excluded=20
      from the <SPAN class=3Dsmall-caps>rct</SPAN>s, but should be =
considered=20
      candidates for surgery.</DIV>
      <DIV class=3Dp id=3D__pid584169>To reduce the risk of tumour =
recurrence for=20
      patients who have undergone resection of a single brain =
metastasis,=20
      postoperative <SPAN class=3Dsmall-caps>wbrt</SPAN> should be =
considered. The=20
      optimal dose and fractionation schedule for <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> is 3000 cGy in 10 fractions or 2000 =
cGy in 5=20
      fractions.</DIV>
      <DIV class=3D"p p-last" id=3D__pid584182>As an alternative to =
surgical=20
      resection, <SPAN class=3Dsmall-caps>wbrt</SPAN> followed by <SPAN=20
      class=3Dsmall-caps>srs</SPAN> boost should be considered for =
patients with=20
      single brain metastasis. The evidence is insufficient to recommend =
<SPAN=20
      class=3Dsmall-caps>srs</SPAN> alone as a single-modality=20
therapy.</DIV></DIV>
      <DIV class=3D"sec sec-last" id=3D__secid584198><SPAN=20
      class=3Dabs-head3>Qualifying Statements </SPAN>
      <DIV class=3D"p p-first" id=3D__pid584202>No high-quality data are =
available=20
      regarding the choice of surgery versus radiosurgery for single =
brain=20
      metastasis. In general, the size and location of the metastasis =
determine=20
      the optimal approach.</DIV>
      <DIV class=3D"p p-last" id=3D__pid584206>The standard <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> regimen for management of patients =
with=20
      single brain metastasis in the United States is 3000 cGy in 10 =
fractions,=20
      and this treatment is usually the standard arm in randomized =
studies of=20
      radiation in patients with brain metastases. Based solely on =
evidence, the=20
      understanding that no reason exists to choose 3000 cGy in 10 =
fractions=20
      over 2000 cGy in 5 fractions is correct; however, fraction size is =

      believed to be important, and therefore 300 cGy daily (3000/10) is =

      believed to be associated with fewer long-term neurocognitive =
effects than=20
      400 cGy daily (2000/5) in the occasional long-term survivor. For =
that=20
      reason, many radiation oncologists in Ontario prefer 3000 cGy in =
10=20
      fractions. No data exist to either support or refute that =
preference;=20
      therefore, finding a resolution to this issue is not currently =
possible.=20
      The Neuro-oncology <SPAN class=3Dsmall-caps>dsg</SPAN> will update =
the=20
      recommendations as new evidence becomes =
available.</DIV></DIV></DIV>
      <DIV class=3Dp><SPAN class=3Dkwd-label>Keywords: </SPAN><SPAN=20
      class=3Dkwd-text>Brain metastasis, surgery, radiotherapy, =
radiosurgery,=20
      systematic review, practice guideline</SPAN></DIV></DIV></DIV>
      <DIV class=3Dsec id=3D__secid584242>
      <DIV class=3D"head1 section-title" id=3D__secid584242titletitle=20
      style=3D"TEXT-TRANSFORM: none">
      <DIV>1. INTRODUCTION</DIV></DIV>
      <DIV class=3Dsection-content id=3D__secid584242content>
      <DIV class=3D"sec sec-first-last" id=3D__secid584249>
      <DIV class=3D"head2 head-separate">Questions</DIV>
      <DIV class=3D"p p-first" id=3D__pid584253>Should patients with =
confirmed=20
      single brain metastasis undergo surgical resection?</DIV>
      <DIV class=3Dp id=3D__pid584255>Should patients with single brain =
metastasis=20
      undergoing surgical resection receive adjuvant whole brain =
radiation=20
      therapy (<SPAN class=3Dsmall-caps>wbrt</SPAN>)?</DIV>
      <DIV class=3D"p p-last" id=3D__pid584263>What is the role of =
stereotactic=20
      radiosurgery (<SPAN class=3Dsmall-caps>srs</SPAN>) in the =
management of=20
      patients with single brain metastasis?</DIV></DIV></DIV></DIV>
      <DIV class=3Dsec id=3D__secid584270>
      <DIV class=3D"head1 section-title" id=3D__secid584270titletitle=20
      style=3D"TEXT-TRANSFORM: none">
      <DIV class=3Dother-sections>
      <UL class=3D"noext-menu noext-menu-hidden">
        <LI><A class=3Dfirst-link=20
        =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#">&nbsp;Othe=
r=20
        Sections=E2=96=BC</A>
        <UL class=3D"submenu head1">
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__abstractid=
602202">Abstract</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58424=
2">1.=20
          INTRODUCTION</A>
          <LI class=3D"submenu-item current-item"><A class=3D""=20
          style=3D"TEXT-TRANSFORM: none" onclick=3Dreturn(false)=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#">2. CHOICE =

          OF TOPIC AND RATIONALE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58445=
5">3.=20
          METHODS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58470=
3">4.=20
          RESULTS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58621=
6">5.=20
          DISCUSSION</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58701=
6">6.=20
          NEURO-<IMG=20
          style=3D"BORDER-TOP-STYLE: none; BORDER-RIGHT-STYLE: none; =
BORDER-LEFT-STYLE: none; BORDER-BOTTOM-STYLE: none"=20
          =
src=3D"http://www.ncbi.nlm.nih.gov/corehtml/pmc/pmcents/dot.gif">ONCOLOGY=
=20
          DSG CONSENSUS PROCESS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58705=
8">7.=20
          EXTERNAL REVIEW OF THE PRACTICE GUIDELINE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58742=
0">8.=20
          PRACTICE GUIDELINE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58751=
3">9.=20
          PRACTICE GUIDELINE DATE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__ref-listid=
587541">10.=20
          REFERENCES</A></LI></UL></LI></UL></DIV>
      <DIV>2. CHOICE OF TOPIC AND RATIONALE</DIV></DIV>
      <DIV class=3Dsection-content id=3D__secid584270content>
      <DIV class=3D"p p-first" id=3D__pid584274>Cerebral metastases =
occur in 15%=E2=80=9330%=20
      of cancer patients during the course of their disease<SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/4412796"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b1-co14_4p131">1</A></SUP><SUP>=E2=80=93</SUP><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/3969210"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b3-co14_4p131">3</A></SUP>. Approximately half of these =
patients have=20
      single metastasis as shown by computed tomography (<SPAN=20
      class=3Dsmall-caps>ct</SPAN>) imaging<SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/3390029"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b2-co14_4p131">2</A></SUP><SUP>=E2=80=93</SUP><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/7237407"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b4-co14_4p131">4</A></SUP>. Patients with single metastasis =
tend to=20
      undergo more aggressive therapy than do those with multiple =
metastases;=20
      treatment guidelines should therefore be specific to this patient=20
      group.</DIV>
      <DIV class=3Dp id=3D__pid584327>Because the distinctions between =
intracranial=20
      primary and metastatic cancer and between single and multiple =
metastases=20
      frequently determine choice of treatment, care must be taken in =
the=20
      initial diagnosis of a suspected metastasis. Contrast-enhanced =
<SPAN=20
      class=3Dsmall-caps>ct</SPAN> imaging or magnetic resonance imaging =
(<SPAN=20
      class=3Dsmall-caps>mri</SPAN>) are the standard diagnostic tests =
for=20
      individuals suspected of intracranial primary or metastatic =
cancer. In=20
      individuals that appear to have a single metastasis and in whom =
the=20
      primary tumour site is controlled or unknown, high-dose contrast =
imaging=20
      studies are appropriate. These studies may be accomplished with =
iodinated=20
      contrast and a repeat <SPAN class=3Dsmall-caps>ct</SPAN> scan.=20
      Alternatively, high-dose contrast gadolinium-enhanced <SPAN=20
      class=3Dsmall-caps>mri</SPAN> may be used, because it has =
demonstrated=20
      increased sensitivity in detecting smaller lesions. However, in =
several=20
      studies using <SPAN class=3Dsmall-caps>mri</SPAN>, between 2% and =
11% of=20
      patients were misdiagnosed as having single brain =
metastasis<SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b5-co14_4p131">5</A></SUP><SUP>,</SUP><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP>. Surgical resection or =
stereotactic biopsy=20
      should be used if a solitary lesion with characteristics of a =
cancer is=20
      seen with no known primary to establish tissue diagnosis before =
other=20
      treatments commence.</DIV>
      <DIV class=3Dp id=3D__pid584380>In Ontario, management of patients =
with=20
      suspected single brain metastasis currently varies. The =
Neuro-oncology=20
      Disease Site Group (<SPAN class=3Dsmall-caps>dsg</SPAN>), which =
represents 9=20
      regional cancer centres, conducted an informal poll to establish =
the=20
      current practice in Ontario for the treatment of patients with =
single=20
      brain metastasis. The findings were categorized by patient =
prognosis (good=20
      vs. poor) based on the Karnofsky performance score (<SPAN=20
      class=3Dsmall-caps>kps</SPAN>) and the status of the underlying =
primary=20
      disease. However, it should be noted that no formal criteria for =
prognosis=20
      have been established.</DIV>
      <DIV class=3Dp id=3D__pid584395>Patients with a =
=E2=80=9Cgood=E2=80=9D prognosis would=20
      generally undergo resection by craniotomy, followed by <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> 3000 cGy in 10 fractions, although =
patients=20
      treated at 2 regional cancer centres (<SPAN =
class=3Dsmall-caps>rcc</SPAN>s)=20
      receive 2000 cGy in 5 fractions, and at 2 other <SPAN=20
      class=3Dsmall-caps>rcc</SPAN>s, the dose varies. At some <SPAN=20
      class=3Dsmall-caps>rcc</SPAN>s, patients receive boost radiation =
or <SPAN=20
      class=3Dsmall-caps>srs</SPAN> if the lesion is unresectable.</DIV>
      <DIV class=3Dp id=3D__pid584419>At most <SPAN =
class=3Dsmall-caps>rcc</SPAN>s,=20
      patients with a =E2=80=9Cpoor=E2=80=9D prognosis do not undergo =
resection. At 7 <SPAN=20
      class=3Dsmall-caps>rcc</SPAN>s, patients receive 2000 cGy in 5 =
fractions,=20
      but at the other 2 centers, the dose varies depending on the =
pathology.=20
      Patients are referred for surgical consideration based both on=20
      tumour-specific factors (location, size, or degree of mass effect) =
and on=20
      patient-specific factors (age, co-morbid medical conditions, or=20
      extracranial disease). The decision to operate is also based on =
the=20
      foregoing factors, with local physician referral patterns and =
individual=20
      judgments about the patient, rather than <SPAN=20
      class=3Dsmall-caps>rcc</SPAN>-specific guidelines, being the =
rule.</DIV>
      <DIV class=3D"p p-last" id=3D__pid584439>Based on the conflicting =
results from=20
      the three randomized trials of surgery and radiation therapy as =
compared=20
      with radiation therapy alone, the increasing use of <SPAN=20
      class=3Dsmall-caps>srs</SPAN>, and the variation in treatment =
across <SPAN=20
      class=3Dsmall-caps>rcc</SPAN>s in Ontario, the Neuro-oncology =
<SPAN=20
      class=3Dsmall-caps>dsg</SPAN> felt that a systematic review and =
practice=20
      guideline were warranted.</DIV></DIV></DIV>
      <DIV class=3Dsec id=3D__secid584455>
      <DIV class=3D"head1 section-title" id=3D__secid584455titletitle=20
      style=3D"TEXT-TRANSFORM: none">
      <DIV class=3Dother-sections>
      <UL class=3D"noext-menu noext-menu-hidden">
        <LI><A class=3Dfirst-link=20
        =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#">&nbsp;Othe=
r=20
        Sections=E2=96=BC</A>
        <UL class=3D"submenu head1">
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__abstractid=
602202">Abstract</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58424=
2">1.=20
          INTRODUCTION</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58427=
0">2.=20
          CHOICE OF TOPIC AND RATIONALE</A>
          <LI class=3D"submenu-item current-item"><A class=3D""=20
          style=3D"TEXT-TRANSFORM: none" onclick=3Dreturn(false)=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#">3.=20
          METHODS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58470=
3">4.=20
          RESULTS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58621=
6">5.=20
          DISCUSSION</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58701=
6">6.=20
          NEURO-<IMG=20
          style=3D"BORDER-TOP-STYLE: none; BORDER-RIGHT-STYLE: none; =
BORDER-LEFT-STYLE: none; BORDER-BOTTOM-STYLE: none"=20
          =
src=3D"http://www.ncbi.nlm.nih.gov/corehtml/pmc/pmcents/dot.gif">ONCOLOGY=
=20
          DSG CONSENSUS PROCESS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58705=
8">7.=20
          EXTERNAL REVIEW OF THE PRACTICE GUIDELINE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58742=
0">8.=20
          PRACTICE GUIDELINE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58751=
3">9.=20
          PRACTICE GUIDELINE DATE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__ref-listid=
587541">10.=20
          REFERENCES</A></LI></UL></LI></UL></DIV>
      <DIV>3. METHODS</DIV></DIV>
      <DIV class=3Dsection-content id=3D__secid584455content>
      <DIV class=3D"sec sec-first" id=3D__secid584462>
      <DIV class=3D"head2 head-separate">3.1 Guideline Development</DIV>
      <DIV class=3D"p p-first" id=3D__pid584466>The present practice =
guideline=20
      report was developed by Cancer Care Ontario=E2=80=99s Program in =
Evidence-based=20
      Care (<SPAN class=3Dsmall-caps>pebc</SPAN>), using the methods of =
the=20
      practice guidelines development cycle<SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/7844612"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b7-co14_4p131">7</A></SUP>. Evidence was selected and =
reviewed by=20
      members of the <SPAN class=3Dsmall-caps>pebc</SPAN> Neuro-oncology =
<SPAN=20
      class=3Dsmall-caps>dsg</SPAN> and by methodologists. Members of =
the=20
      Neuro-oncology <SPAN class=3Dsmall-caps>dsg</SPAN> disclosed =
potential=20
      conflicts of interest. The <SPAN class=3Dsmall-caps>pebc</SPAN> is =

      editorially independent of Cancer Care Ontario and the Ontario =
Ministry of=20
      Health and Long-Term Care.</DIV>
      <DIV class=3Dp id=3D__pid584502>This systematic review is a =
convenient and=20
      up-to-date source of the best available evidence on the management =
of=20
      single brain metastasis and is intended to promote evidence-based =
practice=20
      in Ontario, Canada. Because the body of evidence in this review =
includes=20
      mature <SPAN class=3Dsmall-caps>rct</SPAN> data, the =
Neuro-oncology <SPAN=20
      class=3Dsmall-caps>dsg</SPAN> provides recommendations.</DIV>
      <DIV class=3D"p p-last" id=3D__pid584515>Final approval of the =
guideline=20
      report was obtained from the Report Approval Panel (<SPAN=20
      class=3Dsmall-caps>rap</SPAN>) and the Neuro-oncology <SPAN=20
      class=3Dsmall-caps>dsg</SPAN>. External review by Ontario =
practitioners was=20
      obtained through an electronic survey.</DIV></DIV>
      <DIV class=3Dsec id=3D__secid584527>
      <DIV class=3D"head2 head-separate">3.2 Literature Search =
Strategy</DIV>
      <DIV class=3D"p p-first-last" id=3D__pid584534>The <SPAN=20
      class=3Dsmall-caps>medline</SPAN> (1966 through December 2005), =
<SPAN=20
      class=3Dsmall-caps>embase</SPAN> (1980 through week 52, 2005), =
<SPAN=20
      class=3Dsmall-caps>cancerlit</SPAN> (1983 through October 2002), =
and the=20
      Cochrane Library (2005, Issue 4) databases were searched with no =
language=20
      restrictions. =E2=80=9CBrain neoplasms=E2=80=9D [medical subject =
heading (<SPAN=20
      class=3Dsmall-caps>m</SPAN>e<SPAN class=3Dsmall-caps>sh</SPAN>)], =
=E2=80=9Cbrain adj2=20
      metastas#s=E2=80=9D (text word), =E2=80=9Ccerebral adj2 =
metastas#s=E2=80=9D (text word), or=20
      =E2=80=9Cmetastatic brain=E2=80=9D were combined with =
=E2=80=9Csingle=E2=80=9D or =E2=80=9Csolitary=E2=80=9D used as text=20
      words. These search terms were combined with =
=E2=80=9Cradiotherapy, adjuvant=E2=80=9D=20
      (<SPAN class=3Dsmall-caps>m</SPAN>e<SPAN =
class=3Dsmall-caps>sh</SPAN>),=20
      =E2=80=9Ccombined modality therapy=E2=80=9D (<SPAN =
class=3Dsmall-caps>m</SPAN>e<SPAN=20
      class=3Dsmall-caps>sh</SPAN>), and =E2=80=9Cradiosurgery=E2=80=9D =
(<SPAN=20
      class=3Dsmall-caps>m</SPAN>e<SPAN class=3Dsmall-caps>sh</SPAN>), =
and the=20
      following text words: =E2=80=9Csurgery,=E2=80=9D =
=E2=80=9Cradiation,=E2=80=9D =E2=80=9Cradiotherapy,=E2=80=9D and=20
      =E2=80=9Cradiosurgery.=E2=80=9D Those terms were then combined =
with the search terms for=20
      the following study designs: practice guidelines, meta-analyses, =
<SPAN=20
      class=3Dsmall-caps>rct</SPAN>s, clinical trials, cohort studies, =
and=20
      retrospective studies. In addition, the proceedings of major =
conferences,=20
      including the annual meetings of the American Society of Clinical =
Oncology=20
      (1997=E2=80=932005) and the American Society for Therapeutic =
Radiology and=20
      Oncology (1998=E2=80=932004), were also searched for reports of =
new or ongoing=20
      trials. Relevant articles and abstracts were selected and =
reviewed, and=20
      the reference lists from those sources were searched for =
additional=20
      trials.</DIV></DIV>
      <DIV class=3Dsec id=3D__secid584595>
      <DIV class=3D"head2 head-separate">3.3 Study Selection =
Criteria</DIV>
      <DIV class=3D"p p-first" id=3D__pid584602>Articles were selected =
for inclusion=20
      in this systematic review of the evidence if they</DIV>
      <UL style=3D"LIST-STYLE-TYPE: disc">
        <LI><SPAN>were fully published reports or published abstracts of =

        meta-analyses, systematic reviews, and <SPAN=20
        class=3Dsmall-caps>rct</SPAN>s addressing specific guideline =
questions. If=20
        no studies of those types were available, non-randomized =
prospective=20
        studies and retrospective reviews were eligible for =
inclusion.</SPAN>
        <LI><SPAN>included these outcomes of interest: survival, local =
control=20
        of disease, quality of life, and adverse effects. Studies had to =
report=20
        data on at least one of these outcomes to be eligible for=20
        inclusion.</SPAN></LI></UL>
      <DIV class=3D"p p-last" id=3D__pid584625>Articles were excluded =
from this=20
      systematic review of the evidence if they</DIV>
      <UL style=3D"LIST-STYLE-TYPE: disc">
        <LI><SPAN>were letters or editorials.</SPAN>
        <LI><SPAN>were published in a language other than =
English.</SPAN>
        <LI><SPAN>were studies of patients with metastatic lymphoma, =
small-cell=20
        lung cancer, germ-cell tumour, leukemia, and sarcoma.</SPAN>
        <LI><SPAN>included patients with multiple brain metastases and =
did not=20
        separately report results for patients with single brain=20
        metastasis.</SPAN></LI></UL></DIV>
      <DIV class=3D"sec sec-last" id=3D__secid584650>
      <DIV class=3D"head2 head-separate">3.4 Synthesizing the =
Evidence</DIV>
      <DIV class=3D"p p-first-last" id=3D__pid584654>The results from =
three <SPAN=20
      class=3Dsmall-caps>rct</SPAN>s of surgical resection of single =
brain=20
      metastasis<SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b5-co14_4p131">5</A></SUP><SUP>,</SUP><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP><SUP>,</SUP><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b8-co14_4p131">8</A></SUP> were not pooled because a =
published=20
      meta-analysis using summary data from those three trials was=20
      available<SUP><A class=3D"cite-reflink bibr popnode"=20
      =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#b9-co14_4p13=
1"=20
      rid=3D"b9-co14_4p131">9</A></SUP>.</DIV></DIV></DIV></DIV>
      <DIV class=3Dsec id=3D__secid584703>
      <DIV class=3D"head1 section-title" id=3D__secid584703titletitle=20
      style=3D"TEXT-TRANSFORM: none">
      <DIV class=3Dother-sections>
      <UL class=3D"noext-menu noext-menu-hidden">
        <LI><A class=3Dfirst-link=20
        =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#">&nbsp;Othe=
r=20
        Sections=E2=96=BC</A>
        <UL class=3D"submenu head1">
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__abstractid=
602202">Abstract</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58424=
2">1.=20
          INTRODUCTION</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58427=
0">2.=20
          CHOICE OF TOPIC AND RATIONALE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58445=
5">3.=20
          METHODS</A>
          <LI class=3D"submenu-item current-item"><A class=3D""=20
          style=3D"TEXT-TRANSFORM: none" onclick=3Dreturn(false)=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#">4.=20
          RESULTS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58621=
6">5.=20
          DISCUSSION</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58701=
6">6.=20
          NEURO-<IMG=20
          style=3D"BORDER-TOP-STYLE: none; BORDER-RIGHT-STYLE: none; =
BORDER-LEFT-STYLE: none; BORDER-BOTTOM-STYLE: none"=20
          =
src=3D"http://www.ncbi.nlm.nih.gov/corehtml/pmc/pmcents/dot.gif">ONCOLOGY=
=20
          DSG CONSENSUS PROCESS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58705=
8">7.=20
          EXTERNAL REVIEW OF THE PRACTICE GUIDELINE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58742=
0">8.=20
          PRACTICE GUIDELINE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58751=
3">9.=20
          PRACTICE GUIDELINE DATE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__ref-listid=
587541">10.=20
          REFERENCES</A></LI></UL></LI></UL></DIV>
      <DIV>4. RESULTS</DIV></DIV>
      <DIV class=3Dsection-content id=3D__secid584703content>
      <DIV class=3D"sec sec-first" id=3D__secid584710>
      <DIV class=3D"head2 head-separate">4.1 Literature Search =
Results</DIV>
      <DIV class=3D"p p-first-last" id=3D__pid584717><A =
class=3D"fig-table-link table"=20
      style=3D"TEXT-DECORATION: none"=20
      onclick=3D"startTarget(this, 'true', 1024, 800)"=20
      =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/table/tI-co14=
_4p131/"><SPAN=20
      style=3D"TEXT-DECORATION: underline">Table I</SPAN></A> outlines, =
by=20
      question, the type and number of studies included in this practice =

      guideline.</DIV>
      <DIV class=3Dcanvas-table-ref-outer>
      <DIV class=3Dcanvas-table-ref-inner><A id=3DtI-co14_4p131=20
      name=3DtI-co14_4p131></A>
      <TABLE class=3Dthumb-caption style=3D"CLEAR: both; WIDTH: 100%" =
cellSpacing=3D0=20
      cellPadding=3D0 border=3D0>
        <TBODY>
        <TR vAlign=3Dtop align=3Dleft>
          <TD class=3Dthumb-cell><A=20
            onclick=3D"startTarget(this, 'table', 1024, 800)"=20
            =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/table/tI-co14=
_4p131/">
            <DIV class=3Dthumb-ph><IMG class=3Dicon-reflink =
title=3D"TABLE I"=20
            style=3D"BORDER-RIGHT: 1px solid; BORDER-TOP: 1px solid; =
BORDER-LEFT: 1px solid; BORDER-BOTTOM: 1px solid"=20
            alt=3D"TABLE I"=20
            =
src=3D"http://www.ncbi.nlm.nih.gov/corehtml/pmc/pmcgifs/table-icon.gif"><=
/DIV></A></TD>
          <TD class=3Dcaption-cell>
            <DIV class=3Dcaption-ph><A class=3Dside-caption=20
            onclick=3D"startTarget(this, 'figure', 1024, 800)"=20
            =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/table/tI-co14=
_4p131/"><STRONG>TABLE=20
            I</STRONG></A>
            <DIV class=3Dfigure-table-caption-in-article><SPAN>Studies =
included in=20
            the present systematic review</SPAN></DIV>
            <DIV=20
      =
class=3Dfigure-table-caption-in-article></DIV></DIV></TD></TR></TBODY></T=
ABLE></DIV></DIV>
      <DIV style=3D"CLEAR: both"></DIV></DIV>
      <DIV class=3D"sec sec-last" id=3D__secid584729>
      <DIV class=3D"head2 head-separate">4.2 Outcomes</DIV>
      <DIV class=3D"sec sec-first" id=3D__secid584733><SPAN =
class=3Dhead3>4.2.1 Should=20
      Patients with Confirmed Single Brain Metastasis Undergo Surgical=20
      Resection? </SPAN>
      <DIV class=3D"p p-first" id=3D__pid584741>Three <SPAN=20
      class=3Dsmall-caps>rct</SPAN>s compared surgery plus <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> with <SPAN =
class=3Dsmall-caps>wbrt</SPAN> alone=20
      in the treatment of single brain metastasis <SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b5-co14_4p131">5</A></SUP><SUP>,</SUP><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP><SUP>,</SUP><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b8-co14_4p131">8</A></SUP> (<A class=3D"fig-table-link =
table"=20
      style=3D"TEXT-DECORATION: none"=20
      onclick=3D"startTarget(this, 'true', 1024, 800)"=20
      =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/table/tII-co1=
4_4p131/"><SPAN=20
      style=3D"TEXT-DECORATION: underline">Table II</SPAN></A>). All =
three trials=20
      required patients to have histologically verified extracranial =
cancer and=20
      radiographic evidence of a surgically resectable single brain =
metastasis.=20
      Patients with certain radiosensitive tumours such as lymphoma and=20
      small-cell lung cancer were excluded from all trials. In the trial =
by=20
      Patchell <EM>et al.</EM><SUP><A class=3D"cite-reflink bibr =
popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b5-co14_4p131">5</A></SUP>, patients were stratified by =
tumour=20
      location, extent of disease, and type of primary tumour. =
Stratification in=20
      the trial by Vecht <EM>et al.</EM><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b8-co14_4p131">8</A></SUP> was by centre, site of =
extracranial=20
      disease, and status of extracranial disease. Mintz <EM>et =
al.</EM><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP> stratified patients by type of =
cancer,=20
      size of metastasis, and extent of primary cancer. In all trials, =
most=20
      patients had non-small-cell lung cancer; other primary tumours =
types=20
      included breast, gastrointestinal, genitourinary, and melanoma. =
All=20
      patients randomized to the surgery plus <SPAN =
class=3Dsmall-caps>wbrt</SPAN>=20
      groups in the trials by Patchell <EM>et al.</EM><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b5-co14_4p131">5</A></SUP> and Vecht <EM>et al.</EM><SUP><A =

      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b8-co14_4p131">8</A></SUP> underwent surgical resection, =
but=20
      treatment compliance with <SPAN class=3Dsmall-caps>wbrt</SPAN> was =
not=20
      reported. In the trial by Mintz and colleagues<SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP>, 6 patients in the surgery plus =
<SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> group did not receive <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> and 2 patients did not undergo =
surgery. In=20
      the <SPAN class=3Dsmall-caps>wbrt</SPAN> alone group, 1 patient =
did not=20
      receive <SPAN class=3Dsmall-caps>wbrt</SPAN>, and 10 patients =
underwent a=20
      surgical procedure.</DIV>
      <DIV class=3Dcanvas-table-ref-outer>
      <DIV class=3Dcanvas-table-ref-inner><A id=3DtII-co14_4p131=20
      name=3DtII-co14_4p131></A>
      <TABLE class=3Dthumb-caption style=3D"CLEAR: both; WIDTH: 100%" =
cellSpacing=3D0=20
      cellPadding=3D0 border=3D0>
        <TBODY>
        <TR vAlign=3Dtop align=3Dleft>
          <TD class=3Dthumb-cell><A=20
            onclick=3D"startTarget(this, 'table', 1024, 800)"=20
            =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/table/tII-co1=
4_4p131/">
            <DIV class=3Dthumb-ph><IMG class=3Dicon-reflink =
title=3D"TABLE II"=20
            style=3D"BORDER-RIGHT: 1px solid; BORDER-TOP: 1px solid; =
BORDER-LEFT: 1px solid; BORDER-BOTTOM: 1px solid"=20
            alt=3D"TABLE II"=20
            =
src=3D"http://www.ncbi.nlm.nih.gov/corehtml/pmc/pmcgifs/table-icon.gif"><=
/DIV></A></TD>
          <TD class=3Dcaption-cell>
            <DIV class=3Dcaption-ph><A class=3Dside-caption=20
            onclick=3D"startTarget(this, 'figure', 1024, 800)"=20
            =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/table/tII-co1=
4_4p131/"><STRONG>TABLE=20
            II</STRONG></A>
            <DIV =
class=3Dfigure-table-caption-in-article><SPAN>Randomized trials=20
            of surgery plus radiation therapy as compared with radiation =
therapy=20
            alone</SPAN></DIV>
            <DIV=20
      =
class=3Dfigure-table-caption-in-article></DIV></DIV></TD></TR></TBODY></T=
ABLE></DIV></DIV>
      <DIV style=3D"CLEAR: both"></DIV>
      <DIV class=3D"p p-last" id=3D__pid584902>Analyses for all three =
<SPAN=20
      class=3Dsmall-caps>rct</SPAN>s used the intent-to-treat =
principle.</DIV>
      <DIV class=3Dsec id=3D__secid584909><SPAN class=3Dhead4>Survival =
</SPAN>
      <DIV class=3D"p p-first" id=3D__pid584913>Two randomized trials =
demonstrated a=20
      significant survival benefit for patients who received surgery =
plus <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> as compared with patients who =
received <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> alone<SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b5-co14_4p131">5</A></SUP><SUP>,</SUP><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b8-co14_4p131">8</A></SUP>, and one randomized trial =
detected no=20
      significant survival difference between the treatment =
groups<SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP>. In the trial by Patchell <EM>et =

      al.</EM><SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b5-co14_4p131">5</A></SUP>, median survival was 9.2 months =
for=20
      patients who received surgery as compared with 3.5 months for =
patients who=20
      received <SPAN class=3Dsmall-caps>wbrt</SPAN> alone (<EM>p</EM> =
&lt; 0.01);=20
      in the trial by Vecht <EM>et al.</EM><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b8-co14_4p131">8</A></SUP>, median survival was 10 months =
as compared=20
      with 6 months (<EM>p</EM> =3D 0.04). Also in the trial by Vecht =
<EM>et=20
      al.,</EM> the difference in survival was most robust in a subgroup =
of=20
      patients with stable or absent extracranial disease (median =
survival: 12=20
      months vs. 7 months; <EM>p</EM> =3D 0.02). No significant survival =

      difference was observed in patients with active extracranial =
disease=20
      (median survival: 5 months in both treatment groups; <EM>p</EM> =
=3D=20
      0.88).</DIV>
      <DIV class=3Dp id=3D__pid585009>In the <SPAN =
class=3Dsmall-caps>rct</SPAN> by=20
      Mintz <EM>et al.</EM><SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP>, median survival was not =
statistically=20
      different between the surgery plus <SPAN =
class=3Dsmall-caps>wbrt</SPAN> arm=20
      and the <SPAN class=3Dsmall-caps>wbrt</SPAN>-only arm (5.6 months =
and 6.3=20
      months respectively, <EM>p</EM> =3D 0.24). In addition, most =
patients died=20
      within the first year (69.8% in the <SPAN =
class=3Dsmall-caps>wbrt</SPAN>=20
      arm, 87.8% in the surgery plus <SPAN =
class=3Dsmall-caps>wbrt</SPAN> arm). In=20
      a univariate Cox proportional hazard model, the systemic extent of =
primary=20
      disease was identified as a major contributing factor and =
predictor of=20
      mortality (relative risk:1.86; <EM>p</EM> =3D 0.006).</DIV>
      <DIV class=3D"p p-last" id=3D__pid585055>A Cochrane collaboration=20
      meta-analysis of the published survival data from the three trials =

      indicated no significant difference in overall survival, with a =
hazard=20
      ratio of 0.74 [95% confidence interval (CI): 0.39 to 1.4; =
<EM>p</EM> =3D=20
      0.35]<SUP><A class=3D"cite-reflink bibr popnode"=20
      =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#b9-co14_4p13=
1"=20
      rid=3D"b9-co14_4p131">9</A></SUP>. A high degree of heterogeneity =
for=20
      survival was detected between trials.</DIV></DIV>
      <DIV class=3Dsec id=3D__secid585074><SPAN class=3Dhead4>Neurologic =
Control of=20
      Disease </SPAN>
      <DIV class=3D"p p-first" id=3D__pid585078>Local recurrence of =
disease was=20
      reported in only one randomized trial<SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b5-co14_4p131">5</A></SUP>. In the trial by Patchell <EM>et =
al.,</EM>=20
      recurrence or progression at the site of the original metastasis =
was less=20
      frequent in the surgery plus <SPAN class=3Dsmall-caps>wbrt</SPAN> =
group than=20
      in the <SPAN class=3Dsmall-caps>wbrt</SPAN>-only group (20% vs. =
52%,=20
      <EM>p</EM> &lt; 0.02). The median length of time from treatment to =

      recurrence of the brain metastasis was significantly longer in =
patients=20
      who underwent surgery than in patients who received <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> alone (&gt;59 weeks vs. 21 weeks; =
<EM>p</EM>=20
      &lt; 0.0001).</DIV>
      <DIV class=3D"p p-last" id=3D__pid585118>None of the three =
randomized trials=20
      reported a significant difference between neurologic and systemic =
causes=20
      of death between the treatment groups. Mintz <EM>et =
al.</EM><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP> reported that the cause of death =
was=20
      systemic disease in 46% of the surgical group and in 35% of the =
radiation=20
      group (<EM>p</EM> =3D 0.42). Death from neurologic causes alone =
was 15% in=20
      the surgical group and 28% in the radiation group (<EM>p</EM> =3D =
0.30). The=20
      remaining patients died of a combination of neurologic and =
systemic causes=20
      or an unknown cause. Vecht <EM>et al.</EM><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b8-co14_4p131">8</A></SUP> reported no difference in =
systemic or=20
      neurologic causes of death between the treatment groups, with =
neurologic=20
      death being approximately one third in both treatment groups. =
Patchell=20
      <EM>et al.</EM><SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b5-co14_4p131">5</A></SUP> reported that 71% of patients in =
the=20
      surgical group and 50% in the <SPAN =
class=3Dsmall-caps>wbrt</SPAN>-only=20
      group died of systemic causes (<EM>p</EM> =3D 0.26). The Cochrane=20
      meta-analysis indicated that patients who were treated with =
surgery were=20
      somewhat less likely to die from neurologic causes [odds ratio =
(<SPAN=20
      class=3Dsmall-caps>or</SPAN>): 0.57; 95% <SPAN =
class=3Dsmall-caps>ci</SPAN>:=20
      0.29 to 1.10; <EM>p</EM> =3D 0.09], but this trend was not =
statistically=20
      significant<SUP><A class=3D"cite-reflink bibr popnode"=20
      =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#b9-co14_4p13=
1"=20
      rid=3D"b9-co14_4p131">9</A></SUP>.</DIV></DIV>
      <DIV class=3Dsec id=3D__secid585204><SPAN class=3Dhead4>Quality of =
Life and=20
      Performance Status </SPAN>
      <DIV class=3D"p p-first" id=3D__pid585208>Two randomized trials =
demonstrated a=20
      benefit in quality of life for patients who received surgery plus =
<SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> as compared with patients who =
received <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> alone<SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b5-co14_4p131">5</A></SUP><SUP>,</SUP><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b8-co14_4p131">8</A></SUP>, and one randomized trial showed =
no=20
      significant difference between the groups<SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP>. In the trial by Patchell <EM>et =

      al.</EM><SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b5-co14_4p131">5</A></SUP>, the length of functional =
independence=20
      (defined as a <SPAN class=3Dsmall-caps>kps</SPAN> =E2=89=A5 70), =
was significantly=20
      improved in the surgical group (8.8 months vs. 1.8 months, =
<EM>p</EM> &lt;=20
      0.005). Multivariate analysis showed that surgical treatment was =
the only=20
      factor associated with a better quality of life (<EM>p</EM> &lt; =
0.007).=20
      In the trial by Vecht <EM>et al.</EM><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b8-co14_4p131">8</A></SUP>, median functionally independent =
survival=20
      (defined in that trial as a World Health Organization performance =
status =E2=89=A4=20
      1) was somewhat longer in patients who received surgery than in =
patients=20
      who received <SPAN class=3Dsmall-caps>wbrt</SPAN> alone (7.5 =
months vs. 3.5=20
      months, <EM>p</EM> =3D 0.06).</DIV>
      <DIV class=3D"p p-last" id=3D__pid585299>The analysis of patients =
with=20
      progressive extracranial disease demonstrated no difference in=20
      functionally independent survival between treatment groups =
(<EM>p</EM> =3D=20
      0.88), but the analysis of patients with stable extracranial =
disease=20
      demonstrated a significant benefit for patients who received =
surgery as=20
      compared with patients who received <SPAN =
class=3Dsmall-caps>wbrt</SPAN>=20
      alone (<EM>p</EM> =3D 0.01). In the trial by Mintz <EM>et =
al.</EM><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP>, no statistically significant =
differences=20
      were observed in the mean Spitzer quality-of-life score or the =
<SPAN=20
      class=3Dsmall-caps>kps</SPAN> between treatment =
groups.</DIV></DIV>
      <DIV class=3D"sec sec-last" id=3D__secid585334><SPAN =
class=3Dhead4>Adverse=20
      Effects </SPAN>
      <DIV class=3D"p p-first" id=3D__pid585338>In the trials by =
Patchell <EM>et=20
      al.</EM><SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b5-co14_4p131">5</A></SUP> and Mintz <EM>et al.</EM><SUP><A =

      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP>, surgical mortality (defined as =
death=20
      within 30 days following surgery) did not differ significantly =
from 30-day=20
      mortality in the <SPAN class=3Dsmall-caps>wbrt</SPAN>-only groups. =
In the=20
      trial by Vecht <EM>et al.</EM><SUP><A class=3D"cite-reflink bibr =
popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b8-co14_4p131">8</A></SUP>, 30-day mortality was 9% in the =
combined=20
      treatment group and 0% in the <SPAN =
class=3Dsmall-caps>wbrt</SPAN>-only=20
      group; however, death within 2 months did not differ between the =
groups.=20
      In one trial<SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP>, 30-day morbidity was 8% in the =
surgery=20
      plus <SPAN class=3Dsmall-caps>wbrt</SPAN> group and 17% in the =
<SPAN=20
      class=3Dsmall-caps>wbrt</SPAN>-only group, and in another =
trial<SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP>, it did not differ between the=20
      groups.</DIV>
      <DIV class=3D"p p-last" id=3D__pid585418>In the trial by Vecht =
<EM>et=20
      al.</EM><SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b8-co14_4p131">8</A></SUP>, postoperative complications =
included=20
      respiratory problems in 4 patients, intracerebral hemorrhage in 1 =
patient,=20
      infectious disease in 3 patients, and other complications in 9 =
patients.=20
      Postoperative morbidity affected 13 patients, and those =
complications were=20
      serious in 4 patients. Complications of radiotherapy, including =
nausea,=20
      vomiting, and headache, did not differ between the treatment =
groups (10=20
      patients in the surgery plus <SPAN class=3Dsmall-caps>wbrt</SPAN> =
group vs.=20
      9 patients in the <SPAN class=3Dsmall-caps>wbrt</SPAN>-only =
group). In the=20
      Cochrane meta-analysis, no significant difference in adverse =
effects was=20
      detected between the groups (<SPAN class=3Dsmall-caps>or</SPAN>: =
1.25; 95%=20
      <SPAN class=3Dsmall-caps>ci</SPAN>: 0.68 to 2.66; <EM>p</EM> =3D =
0.39)<SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#b9-co14_4p13=
1"=20
      rid=3D"b9-co14_4p131">9</A></SUP>.</DIV></DIV></DIV>
      <DIV class=3Dsec id=3D__secid585468><SPAN class=3Dhead3>4.2.2 =
Should Patients=20
      with Single Brain Metastasis Undergoing Surgical Resection Receive =

      Adjuvant WBRT? </SPAN>
      <DIV class=3D"p p-first" id=3D__pid585475>Although all three <SPAN =

      class=3Dsmall-caps>rct</SPAN>s examining the efficacy of surgery =
for single=20
      brain metastasis also administered <SPAN =
class=3Dsmall-caps>wbrt</SPAN> to=20
      the surgical treatment arm<SUP><A class=3D"cite-reflink bibr =
popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b5-co14_4p131">5</A></SUP><SUP>,</SUP><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP><SUP>,</SUP><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b8-co14_4p131">8</A></SUP>, the need for postoperative =
<SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> had not been established through =
randomized=20
      trials. Patchell <EM>et al.</EM><SUP><A class=3D"cite-reflink bibr =
popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/9809728"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b10-co14_4p131">10</A></SUP> conducted a follow-up <SPAN=20
      class=3Dsmall-caps>rct</SPAN> comparing surgery plus <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> with surgery alone to determine =
whether=20
      postoperative <SPAN class=3Dsmall-caps>wbrt</SPAN> increases =
survival or the=20
      neurologic control of disease. The researchers randomly assigned =
49=20
      patients to postoperative <SPAN class=3Dsmall-caps>wbrt</SPAN> and =
46=20
      patients to observation after complete resection of a single brain =

      metastasis. Contrast-enhanced <SPAN class=3Dsmall-caps>mri</SPAN> =
was=20
      performed after resection to confirm complete resection and to =
rule out=20
      additional lesions, and resected tissue was examined to confirm =
that all=20
      patients had metastatic tumours. Patients were required to have a =
<SPAN=20
      class=3Dsmall-caps>kps</SPAN> of =E2=89=A570. Patients with =
small-cell lung cancer,=20
      germ-cell tumours, lymphoma, leukemia, or multiple myeloma were =
excluded,=20
      and the included patients were stratified by type and extent of=20
      extracranial disease.</DIV>
      <DIV class=3D"p p-last" id=3D__pid585564>Recurrence of a tumour at =
the site of=20
      the original metastasis (10% vs. 46%, <EM>p</EM> &lt; 0.001) or =
anywhere=20
      else in the brain (18% vs. 70%, <EM>p</EM> &lt; 0.001) was less =
frequent=20
      in the <SPAN class=3Dsmall-caps>wbrt</SPAN> group than in the =
observation=20
      group<SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/9809728"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b10-co14_4p131">10</A></SUP>. Patients in the radiation =
group were=20
      less likely to die of neurologic causes than were patients in the=20
      observation group (14% vs. 44%, <EM>p</EM> =3D 0.003); however, no =

      significant difference was observed in overall length of survival =
or=20
      length of time that patients remained functionally=20
independent.</DIV></DIV>
      <DIV class=3D"sec sec-last" id=3D__secid585596><SPAN =
class=3Dhead3>4.2.3 What Is=20
      the Role of SRS in the Management of Patients with Single Brain=20
      Metastasis? </SPAN>
      <DIV class=3D"sec sec-first" id=3D__secid585603><SPAN =
class=3Dhead4>WBRT With or=20
      Without SRS </SPAN>
      <DIV class=3D"p p-first" id=3D__pid585607>One <SPAN=20
      class=3Dsmall-caps>rct</SPAN> compared the use of <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> plus <SPAN =
class=3Dsmall-caps>srs</SPAN> boost=20
      with <SPAN class=3Dsmall-caps>wbrt</SPAN> alone in patients with =
brain=20
      metastases<SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/15158627"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b11-co14_4p131">11</A></SUP>. The Radiation Therapy =
Oncology Group=20
      9508 <SPAN class=3Dsmall-caps>rct</SPAN> by Andrews <EM>et =
al.</EM>=20
      randomized patients with 1=E2=80=933 brain metastases, including =
186 patients with=20
      a single metastasis, to receive either <SPAN =
class=3Dsmall-caps>wbrt</SPAN>=20
      plus <SPAN class=3Dsmall-caps>srs</SPAN> or <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> alone. The target sample size was =
calculated=20
      to provide sufficient statistical power to detect a survival =
difference=20
      between treatment arms in patients with single brain =
metastasis.</DIV>
      <DIV class=3D"p p-last" id=3D__pid585660>Patients with a <SPAN=20
      class=3Dsmall-caps>kps</SPAN> of &lt;70, with lesions greater than =
4 cm in=20
      diameter, or with known active extracranial disease were excluded =
from the=20
      study. Patients randomized to <SPAN class=3Dsmall-caps>srs</SPAN> =
boost=20
      received <SPAN class=3Dsmall-caps>srs</SPAN> within 1 week after =
<SPAN=20
      class=3Dsmall-caps>wbrt</SPAN>. Fourteen patients with a single =
metastasis=20
      (15%) randomized to <SPAN class=3Dsmall-caps>srs</SPAN> boost did =
not=20
      receive radiosurgery, but were included in the analysis in an=20
      intent-to-treat approach. As compared with patients receiving =
<SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> alone, patients receiving both =
<SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> and <SPAN =
class=3Dsmall-caps>srs</SPAN> in=20
      cases of single brain metastasis showed a significant improvement =
in=20
      median survival (6.5 months vs. 4.9 months, <EM>p</EM> =3D 0.039). =
The=20
      causes of death and the rates of adverse effects did not differ =
between=20
      treatment groups. Local control and quality-of-life results were =
not=20
      reported separately for patients with a single brain=20
      metastasis.</DIV></DIV>
      <DIV class=3Dsec id=3D__secid585704><SPAN class=3Dhead4>SRS Versus =
Surgical=20
      Resection </SPAN>
      <DIV class=3D"p p-first" id=3D__pid585708>No randomized trials =
compared <SPAN=20
      class=3Dsmall-caps>srs</SPAN> with traditional surgical resection; =
however,=20
      three retrospective reviews compared those treatment =
modalities<SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/10389878"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b18-co14_4p131">18</A></SUP><SUP>,</SUP><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/10949435"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b19-co14_4p131">19</A></SUP><SUP>,</SUP><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/12654423"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b21-co14_4p131">21</A></SUP>.</DIV>
      <DIV class=3Dp id=3D__pid585748>The study by Muacevic <EM>et =
al.</EM><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/10389878"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b18-co14_4p131">18</A></SUP> reviewed 108 patients with a =
single=20
      metastasis no larger than 3.5 cm in diameter and stable systemic =
disease=20
      who received <SPAN class=3Dsmall-caps>srs</SPAN> alone or surgery =
plus <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN>. Patients in the <SPAN=20
      class=3Dsmall-caps>srs</SPAN> group had significantly smaller =
tumours than=20
      did the patients in the surgery plus <SPAN =
class=3Dsmall-caps>wbrt</SPAN>=20
      group (mean size: 2.07 cm vs. 2.7 cm; <EM>p</EM> &lt; 0.001). The =
<SPAN=20
      class=3Dsmall-caps>srs</SPAN> group also contained a higher =
proportion of=20
      patients with melanoma. Although median survival was 15.7 months =
in the=20
      surgery plus <SPAN class=3Dsmall-caps>wbrt</SPAN> group and 8.1 =
months in=20
      the <SPAN class=3Dsmall-caps>srs</SPAN> group, that survival =
difference was=20
      not statistically significant. No significant differences in local =
control=20
      or complications were observed between the groups, but a higher =
incidence=20
      of distant recurrences was reported in the <SPAN=20
      class=3Dsmall-caps>srs</SPAN> group.</DIV>
      <DIV class=3Dp id=3D__pid585804>The review by Sch=C3=B6ggl <EM>et =
al.</EM><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/10949435"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b19-co14_4p131">19</A></SUP> retrospectively matched 133 =
patients who=20
      received <SPAN class=3Dsmall-caps>wbrt</SPAN> and either =
GammaKnife (Elekta,=20
      Stockholm, Sweden) <SPAN class=3Dsmall-caps>srs</SPAN> or surgery =
for the=20
      treatment of a single brain metastasis less than 3 cm in diameter. =
Median=20
      survival and 1-year overall survival did not differ significantly =
between=20
      the groups; however, the authors reported that <SPAN=20
      class=3Dsmall-caps>srs</SPAN> was superior for local control and=20
      morbidity.</DIV>
      <DIV class=3Dp id=3D__pid585834>To be included in the review by =
O=E2=80=99Neill <EM>et=20
      al.</EM><SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/12654423"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b21-co14_4p131">21</A></SUP>, patients had to be candidates =
for both=20
      <SPAN class=3Dsmall-caps>srs</SPAN> and surgical resection. Tumour =
size had=20
      to be no larger than 3.5 cm in diameter, and patients with =
deep-seated=20
      tumours or ventricular obstruction were excluded. These inclusion =
criteria=20
      were met by 23 patients who had received <SPAN =
class=3Dsmall-caps>srs</SPAN>=20
      and 74 patients who had received surgery, most of whom had also =
received=20
      <SPAN class=3Dsmall-caps>wbrt</SPAN>. Significantly fewer patients =
in the=20
      <SPAN class=3Dsmall-caps>srs</SPAN> group had a good performance =
score=20
      (<EM>p</EM> =3D 0.0016). No significant differences in survival or =
cause of=20
      death were detected between the groups, and the authors concluded =
that=20
      neither <SPAN class=3Dsmall-caps>srs</SPAN> nor surgical resection =
was=20
      superior in that study.</DIV>
      <DIV class=3D"p p-last" id=3D__pid585878>No conclusions can be =
drawn from the=20
      results of the foregoing studies because of the inherent =
limitations=20
      associated with comparisons that use retrospective data. Those =
reviews=20
      were subject to selection bias, and the patients in the two groups =

      differed in important prognostic factors such as performance =
status and=20
      tumour size. In addition, small sample sizes limited the ability =
of the=20
      studies to detect significant differences between treatment groups =
for key=20
      outcomes.</DIV></DIV>
      <DIV class=3D"sec sec-last" id=3D__secid585884><SPAN =
class=3Dhead4>SRS With or=20
      Without WBRT </SPAN>
      <DIV class=3D"p p-first" id=3D__pid585888>No randomized trials =
compared <SPAN=20
      class=3Dsmall-caps>srs</SPAN> plus <SPAN =
class=3Dsmall-caps>wbrt</SPAN> to=20
      <SPAN class=3Dsmall-caps>srs</SPAN> alone; however, several =
retrospective=20
      reviews addressed the efficacy of <SPAN =
class=3Dsmall-caps>srs</SPAN> with=20
      or without <SPAN class=3Dsmall-caps>wbrt</SPAN>. A subgroup =
analysis of the=20
      largest review by Sneed <EM>et al.</EM><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/12062592"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b20-co14_4p131">20</A></SUP> compared 168 patients with =
single brain=20
      metastasis who received <SPAN class=3Dsmall-caps>srs</SPAN> alone =
with 175=20
      patients who received <SPAN class=3Dsmall-caps>srs</SPAN> with =
<SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> as initial treatment. To be =
included in the=20
      <SPAN class=3Dsmall-caps>srs</SPAN> plus <SPAN =
class=3Dsmall-caps>wbrt</SPAN>=20
      arm of the study, patients had to have received both radiosurgery =
and=20
      <SPAN class=3Dsmall-caps>wbrt</SPAN> within a period of 1 month, =
although=20
      the order of treatment was not specified. Overall, patients who =
received=20
      <SPAN class=3Dsmall-caps>srs</SPAN> alone included a higher =
percentage of=20
      patients more than 65 years old and with a <SPAN=20
      class=3Dsmall-caps>kps</SPAN> of &lt;70, but whether that =
imbalance was also=20
      present in patients with single metastasis is unclear. A number of =

      patients, particularly those who initially received <SPAN=20
      class=3Dsmall-caps>srs</SPAN> alone, underwent one or more salvage =
therapies=20
      for recurrence or new metastases. No significant survival =
difference was=20
      detected between the groups (<A class=3D"fig-table-link table"=20
      style=3D"TEXT-DECORATION: none"=20
      onclick=3D"startTarget(this, 'true', 1024, 800)"=20
      =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/table/tIII-co=
14_4p131/"><SPAN=20
      style=3D"TEXT-DECORATION: underline">Table III</SPAN></A>). Tumour =
control=20
      results were not reported for patients with single brain =
metastasis.</DIV>
      <DIV class=3Dcanvas-table-ref-outer>
      <DIV class=3Dcanvas-table-ref-inner><A id=3DtIII-co14_4p131=20
      name=3DtIII-co14_4p131></A>
      <TABLE class=3Dthumb-caption style=3D"CLEAR: both; WIDTH: 100%" =
cellSpacing=3D0=20
      cellPadding=3D0 border=3D0>
        <TBODY>
        <TR vAlign=3Dtop align=3Dleft>
          <TD class=3Dthumb-cell><A=20
            onclick=3D"startTarget(this, 'table', 1024, 800)"=20
            =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/table/tIII-co=
14_4p131/">
            <DIV class=3Dthumb-ph><IMG class=3Dicon-reflink =
title=3D"TABLE III"=20
            style=3D"BORDER-RIGHT: 1px solid; BORDER-TOP: 1px solid; =
BORDER-LEFT: 1px solid; BORDER-BOTTOM: 1px solid"=20
            alt=3D"TABLE III"=20
            =
src=3D"http://www.ncbi.nlm.nih.gov/corehtml/pmc/pmcgifs/table-icon.gif"><=
/DIV></A></TD>
          <TD class=3Dcaption-cell>
            <DIV class=3Dcaption-ph><A class=3Dside-caption=20
            onclick=3D"startTarget(this, 'figure', 1024, 800)"=20
            =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/table/tIII-co=
14_4p131/"><STRONG>TABLE=20
            III</STRONG></A>
            <DIV class=3Dfigure-table-caption-in-article><SPAN>Studies=20
            investigating stereotactic radiosurgery (<SPAN=20
            class=3Dsmall-caps>srs</SPAN>)</SPAN></DIV>
            <DIV=20
      =
class=3Dfigure-table-caption-in-article></DIV></DIV></TD></TR></TBODY></T=
ABLE></DIV></DIV>
      <DIV style=3D"CLEAR: both"></DIV>
      <DIV class=3Dp id=3D__pid585978>Flickinger <EM>et al.</EM><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8138431"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b15-co14_4p131">15</A></SUP> reviewed 116 patients with =
single=20
      metastasis treated with linear accelerator <SPAN=20
      class=3Dsmall-caps>srs</SPAN>. Of those patients, 56% also =
received=20
      fractionated radiation therapy. In that study population, 45 =
patients=20
      (39%) had tumours that recurred after previous <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN>, and 71 (61%) were treated with =
<SPAN=20
      class=3Dsmall-caps>srs</SPAN> as initial management for their =
metastasis.=20
      The median survival was 11 months, with local tumour control in =
85% of=20
      patients. Recurrence was documented in 15%. In a multivariate =
analysis,=20
      local tumour control was significantly better in patients =
receiving both=20
      fractionated radiation therapy and <SPAN =
class=3Dsmall-caps>srs</SPAN> as=20
      compared with <SPAN class=3Dsmall-caps>srs</SPAN> alone =
(<EM>p</EM> =3D=20
      0.011), but no effect on survival was observed.</DIV>
      <DIV class=3Dp id=3D__pid586022>Two non-comparative retrospective=20
      reviews<SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/7666461"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b16-co14_4p131">16</A></SUP><SUP>,</SUP><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8641923"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b17-co14_4p131">17</A></SUP> and one single-arm prospective =
case=20
      series<SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/1646195"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b12-co14_4p131">12</A></SUP> investigated the efficacy of =
<SPAN=20
      class=3Dsmall-caps>srs</SPAN> plus <SPAN =
class=3Dsmall-caps>wbrt</SPAN>. The=20
      study by Auchter <EM>et al.</EM><SUP><A class=3D"cite-reflink bibr =
popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8641923"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b17-co14_4p131">17</A></SUP> retrospectively reviewed 122 =
patients=20
      who matched the eligibility criteria for entry into the randomized =
trial=20
      by Patchell <EM>et al.</EM><SUP><A class=3D"cite-reflink bibr =
popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP> and who had been treated with =
<SPAN=20
      class=3Dsmall-caps>srs</SPAN> followed by <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN>. None of those patients had =
received prior=20
      surgery or radiation therapy. Median survival was 12.9 months, and =
the 1-=20
      and 2-year survival rates were 53% and 30% respectively. Complete =
response=20
      was observed in 25% of patients, and partial response in 34%. =
Local=20
      control rates at 1 and 2 years were 85% and 77% respectively. =
Intracranial=20
      recurrence outside the <SPAN class=3Dsmall-caps>srs</SPAN> volume =
was=20
      experienced by 22% of patients. Median duration of functionally=20
      independent survival, defined as a <SPAN =
class=3Dsmall-caps>kps</SPAN> &gt;=20
      70, was 10.2 months.</DIV>
      <DIV class=3Dp id=3D__pid586112>A second retrospective review by =
Alexander=20
      <EM>et al.</EM><SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/7666461"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b16-co14_4p131">16</A></SUP> included 171 patients with =
single brain=20
      metastasis. Most of the patients in that review received <SPAN=20
      class=3Dsmall-caps>srs</SPAN> to treat recurrent lesions. All =
patients=20
      received <SPAN class=3Dsmall-caps>wbrt</SPAN>, either as part of =
their=20
      initial therapy or in combination with <SPAN =
class=3Dsmall-caps>srs</SPAN>.=20
      Median survival for patients with single brain metastasis was 10.3 =
months.=20
      A small prospective case series of 24 patients who received <SPAN=20
      class=3Dsmall-caps>srs</SPAN> plus <SPAN =
class=3Dsmall-caps>wbrt</SPAN><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/1646195"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b12-co14_4p131">12</A></SUP> reported a median survival of =
10 months=20
      and tumour shrinkage in 58% of patients for whom data were=20
available.</DIV>
      <DIV class=3D"p p-last" id=3D__pid586160>Two single-arm =
prospective=20
      studies<SUP><A class=3D"cite-reflink bibr popnode"=20
      =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#b13-co14_4p1=
31"=20
      rid=3D"b13-co14_4p131">13</A></SUP><SUP>,</SUP><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/12699548"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b14-co14_4p131">14</A></SUP> investigated the efficacy of =
<SPAN=20
      class=3Dsmall-caps>srs</SPAN> alone. The case series by Sturm =
<EM>et=20
      al.</EM><SUP><A class=3D"cite-reflink bibr popnode"=20
      =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#b13-co14_4p1=
31"=20
      rid=3D"b13-co14_4p131">13</A></SUP> of 30 patients with inoperable =
single=20
      brain metastasis reported mean survival of 6.5 months, improvement =
of=20
      clinical symptoms in 18 of 27 patients, and tumour regression in =
13 of 22=20
      patients. A subgroup analysis of the study by Lutterbach <EM>et=20
      al.</EM><SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/12699548"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b14-co14_4p131">14</A></SUP> reported median survival of =
7.7 months=20
      for patients with single brain=20
      metastasis.</DIV></DIV></DIV></DIV></DIV></DIV>
      <DIV class=3Dsec id=3D__secid586216>
      <DIV class=3D"head1 section-title" id=3D__secid586216titletitle=20
      style=3D"TEXT-TRANSFORM: none">
      <DIV class=3Dother-sections>
      <UL class=3D"noext-menu noext-menu-hidden">
        <LI><A class=3Dfirst-link=20
        =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#">&nbsp;Othe=
r=20
        Sections=E2=96=BC</A>
        <UL class=3D"submenu head1">
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__abstractid=
602202">Abstract</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58424=
2">1.=20
          INTRODUCTION</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58427=
0">2.=20
          CHOICE OF TOPIC AND RATIONALE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58445=
5">3.=20
          METHODS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58470=
3">4.=20
          RESULTS</A>
          <LI class=3D"submenu-item current-item"><A class=3D""=20
          style=3D"TEXT-TRANSFORM: none" onclick=3Dreturn(false)=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#">5.=20
          DISCUSSION</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58701=
6">6.=20
          NEURO-<IMG=20
          style=3D"BORDER-TOP-STYLE: none; BORDER-RIGHT-STYLE: none; =
BORDER-LEFT-STYLE: none; BORDER-BOTTOM-STYLE: none"=20
          =
src=3D"http://www.ncbi.nlm.nih.gov/corehtml/pmc/pmcents/dot.gif">ONCOLOGY=
=20
          DSG CONSENSUS PROCESS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58705=
8">7.=20
          EXTERNAL REVIEW OF THE PRACTICE GUIDELINE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58742=
0">8.=20
          PRACTICE GUIDELINE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58751=
3">9.=20
          PRACTICE GUIDELINE DATE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__ref-listid=
587541">10.=20
          REFERENCES</A></LI></UL></LI></UL></DIV>
      <DIV>5. DISCUSSION</DIV></DIV>
      <DIV class=3Dsection-content id=3D__secid586216content>
      <DIV class=3D"sec sec-first" id=3D__secid586222>
      <DIV class=3D"head2 head-separate">5.1 Should Patients with =
Confirmed Single=20
      Brain Metastasis Undergo Surgical Resection Before Radiation=20
Therapy?</DIV>
      <DIV class=3D"p p-first" id=3D__pid586230>Definitive conclusions =
about using=20
      resection before radiation therapy are difficult to reach. The =
three <SPAN=20
      class=3Dsmall-caps>rct</SPAN>s that compared surgery plus <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> with <SPAN =
class=3Dsmall-caps>wbrt</SPAN> alone=20
      were relatively small, and they varied with respect to important =
baseline=20
      patient characteristics. The largest trial by Mintz <EM>et =
al.</EM><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP> was calculated to have only 50%=20
      statistical power to detect a 50% difference in median survival =
between=20
      treatment arms<SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/4592596"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b22-co14_4p131">22</A></SUP>. The two major differences =
between the=20
      results of the three <SPAN class=3Dsmall-caps>rct</SPAN>s are the =
reduced=20
      survival time for the surgery plus <SPAN =
class=3Dsmall-caps>wbrt</SPAN>=20
      group in the Mintz <EM>et al.</EM> <SPAN=20
      class=3Dsmall-caps>rct</SPAN><SUP><A class=3D"cite-reflink bibr =
popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP> and the diminished survival time =
reported=20
      by Patchell <EM>et al.</EM><SUP><A class=3D"cite-reflink bibr =
popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b5-co14_4p131">5</A></SUP> for the <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN>-only group.</DIV>
      <DIV class=3Dp id=3D__pid586313>Several factors may have =
contributed to the=20
      reduced survival time for the <SPAN =
class=3Dsmall-caps>wbrt</SPAN>-only=20
      group in the Patchell <EM>et al.</EM><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b5-co14_4p131">5</A></SUP> trial.</DIV>
      <DIV class=3Dp id=3D__pid586333>Macdonald and Cairncross<SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2359423"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b23-co14_4p131">23</A></SUP> suggest that that trial may =
have had a=20
      referral bias. Patients in the trial were recruited from a cohort =
of=20
      patients referred to the neurosurgery service; thus, they =
represented a=20
      selected group of patients who were thought to be likely to =
benefit from=20
      surgery or who required more urgent surgery. Referral bias of that =
kind=20
      was minimized in the trial by Mintz <EM>et al.</EM><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP>, in which eligible patients were =

      identified by oncologists, neurologists, and surgeons rather than =
being=20
      identified from among patients referred to the neurosurgery =
service.</DIV>
      <DIV class=3Dp id=3D__pid586363>Differences in the proportions of =
primary=20
      tumour histologies are another explanation for the lower survival =
for the=20
      radiation-only group in the Patchell <EM>et al.</EM><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b5-co14_4p131">5</A></SUP> trial. That trial had a large =
proportion=20
      of patients with non-small-cell lung cancer (77.0%) as compared =
with the=20
      trials by Vecht <EM>et al.</EM> (52.3%)<SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b8-co14_4p131">8</A></SUP> and Mintz <EM>et al.</EM> =
(53.6%)<SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP>. Because non-small-cell lung =
cancer is a=20
      relatively radioresistant tumour, the higher proportion of that =
tumour=20
      type may have biased the results against <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> alone. Patchell <EM>et al.</EM> =
reported that=20
      lung cancer was not found to be a significant variable in a =
multivariate=20
      analysis of survival, but their small sample size may have had low =

      statistical power to detect a difference.</DIV>
      <DIV class=3Dp id=3D__pid586420>The benefit of surgery may be lost =
in patients=20
      with poor prognostic factors such as advanced extracranial disease =
or=20
      lower performance status. Decreased median survival was reported =
in two=20
      randomized trials<SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP><SUP>,</SUP><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b8-co14_4p131">8</A></SUP> in patients with greater =
systemic=20
      involvement for their primary malignancy. Of the patients in the =
study by=20
      Mintz <EM>et al.</EM><SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP>, 45% had extracranial =
metastases; in the=20
      trial by Patchell <EM>et al.</EM><SUP><A class=3D"cite-reflink =
bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b5-co14_4p131">5</A></SUP>, this number was only 37.5%, and =
in the=20
      trial by Vecht <EM>et al.</EM><SUP><A class=3D"cite-reflink bibr =
popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b8-co14_4p131">8</A></SUP>, it was 31.7%. In the report by =
Mintz=20
      <EM>et al.,</EM> the univariate Cox regression model identified =
extent of=20
      disease as the most significant variable, with a relative risk of =
1.86=20
      (<EM>p</EM> =3D 0.006). Vecht <EM>et al.</EM> reported no =
difference in=20
      median survival for patients with progressive extracranial disease =
in the=20
      two groups; however, a significant survival advantage was reported =
for=20
      patients with stable disease who received surgery plus <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> as compared with patients who =
received <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> alone.</DIV>
      <DIV class=3Dp id=3D__pid586506>In the trial by Mintz <EM>et =
al.</EM><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP>, 21% of patients had a <SPAN=20
      class=3Dsmall-caps>kps</SPAN> of &lt;70, but patients in the =
trials by=20
      Patchell <EM>et al.</EM><SUP><A class=3D"cite-reflink bibr =
popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b5-co14_4p131">5</A></SUP> and Vecht <EM>et al.</EM><SUP><A =

      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b8-co14_4p131">8</A></SUP> had performance scores =
equivalent to a=20
      <SPAN class=3Dsmall-caps>kps</SPAN> of =E2=89=A5 70. In addition, =
patients in the=20
      trials by Patchell <EM>et al.</EM> and Vecht <EM>et al.</EM> were =
required=20
      to have a minimum life expectancy of 6 months, but that =
expectation was=20
      not required by Mintz <EM>et al.</EM><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b6-co14_4p131">6</A></SUP> in their trial. The increased =
proportion=20
      of patients with poor prognoses in the Mintz <EM>et al.</EM> =
trial, and=20
      the fact that 10 patients in the <SPAN =
class=3Dsmall-caps>wbrt</SPAN>-only=20
      arm underwent a surgical procedure may have made it more difficult =
to=20
      detect a survival advantage for surgery.</DIV>
      <DIV class=3Dp id=3D__pid586587>A pooled analysis of the three =
trials showed=20
      no significant overall survival advantage for the surgical group =
as=20
      compared with the <SPAN class=3Dsmall-caps>wbrt</SPAN>-only =
group<SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#b9-co14_4p13=
1"=20
      rid=3D"b9-co14_4p131">9</A></SUP>. However, the key differences in =
patient=20
      baseline characteristics between the studies and the wide =
confidence=20
      limits around the pooled estimate of effect allow for the =
possibility that=20
      surgery may have a beneficial effect on survival in selected =
groups of=20
      patients and may provide no survival benefit for others. The =
pooled=20
      results suggest that surgery may reduce mortality from neurologic =
causes,=20
      but in those studies, the difference with surgery was not =
statistically=20
      significant.</DIV>
      <DIV class=3Dp id=3D__pid586609>The evidence to determine whether =
surgical=20
      resection, as compared with treatment with <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> alone, has a benefit on quality of =
life is=20
      limited. However, two <SPAN class=3Dsmall-caps>rct</SPAN>s<SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b5-co14_4p131">5</A></SUP><SUP>,</SUP><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b8-co14_4p131">8</A></SUP> reported that surgery plus <SPAN =

      class=3Dsmall-caps>wbrt</SPAN> significantly prolonged =
functionally=20
      independent survival as compared with <SPAN =
class=3Dsmall-caps>wbrt</SPAN>=20
      alone. The published meta-analysis reported no significant =
increase in=20
      adverse effects for patients who underwent surgical resection as =
compared=20
      with those who received <SPAN class=3Dsmall-caps>wbrt</SPAN> =
alone.</DIV>
      <DIV class=3D"p p-last" id=3D__pid586654>Surgical excision should =
be=20
      considered for patients with prognostic factors that would =
increase the=20
      potential benefit of such aggressive treatment, because randomized =
trials=20
      have demonstrated a benefit in those patients. The applicable =
prognostic=20
      factors include good performance status, minimal or no evidence of =

      extracranial disease, and a surgically accessible single brain =
metastasis=20
      amenable to complete excision. Because treatment in this disease =
is=20
      considered palliative, invasive local treatments must be=20
      individualized.</DIV></DIV>
      <DIV class=3Dsec id=3D__secid586661>
      <DIV class=3D"head2 head-separate">5.2 Should Patients with Single =
Brain=20
      Metastasis Undergoing Surgical Resection Receive Adjuvant =
WBRT?</DIV>
      <DIV class=3D"p p-first" id=3D__pid586669>The one randomized trial =
examining=20
      surgery plus <SPAN class=3Dsmall-caps>wbrt</SPAN> versus surgery=20
      alone<SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/9809728"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b10-co14_4p131">10</A></SUP> supports the use of =
post-operative <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN>. Tumour recurrence was =
significantly reduced=20
      at the original and distant sites alike, and patients were less =
likely to=20
      die of neurologic causes if radiation therapy was used =
postoperatively.=20
      However, no significant differences were observed in overall =
survival or=20
      in maintenance of functional independence between the two groups. =
The use=20
      of postoperative radiation is supported by that trial as a =
preventive for=20
      central nervous system relapse and neurologic death rather than as =
a=20
      contributor to survival time or maintenance of functional=20
      independence.</DIV>
      <DIV class=3D"p p-last" id=3D__pid586694>In its radiation =
component, the trial=20
      by Patchell <EM>et al.</EM><SUP><A class=3D"cite-reflink bibr =
popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/9809728"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b10-co14_4p131">10</A></SUP> used 5040 cGy in 28 fractions, =
where the=20
      current standard management of patients with single brain =
metastasis in=20
      the United States is 3000 cGy in 10 fractions. The latter dosage =
is=20
      typically used in the standard arm of randomized studies of =
radiation in=20
      patients with brain metastases. Based solely on evidence, no =
reason exists=20
      to choose 3000 cGy in 10 fractions over 2000 cGy in 5 fractions, =
but=20
      fraction size is believed to be important and 300 cGy daily =
(3000/10) is=20
      believed to be associated with fewer long-term neurocognitive =
effects than=20
      is 400 cGy daily (2000/5) in the occasional long-term survivor, =
which is=20
      the reason that many radiation oncologists in Ontario prefer 3000 =
cGy in=20
      10 fractions. Because no data exist to either support or refute =
that=20
      preference, there is no way to resolve this question of =
fractionation at=20
      present. More randomized trials examining various radiation =
therapy doses=20
      for patients with single brain metastasis are necessary to =
determine the=20
      optimal dose to maximize survival and minimize toxicity. The=20
      Neuro-oncology <SPAN class=3Dsmall-caps>dsg</SPAN> will update the =

      recommendations as new evidence becomes available.</DIV></DIV>
      <DIV class=3D"sec sec-last" id=3D__secid586723>
      <DIV class=3D"head2 head-separate">5.3 What Is the Role of SRS in =
the=20
      Management of Patients with Single Brain Metastasis?</DIV>
      <DIV class=3D"p p-first" id=3D__pid586730>The randomized trial by =
Andrews=20
      <EM>et al.</EM><SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/15158627"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b11-co14_4p131">11</A></SUP> demonstrated a significant =
survival=20
      benefit for patients with single brain metastasis who received =
<SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> plus <SPAN =
class=3Dsmall-caps>srs</SPAN> boost=20
      as compared with patients who received <SPAN =
class=3Dsmall-caps>wbrt</SPAN>=20
      alone. With that evidence, it is reasonable to conclude that <SPAN =

      class=3Dsmall-caps>srs</SPAN> should be considered for patients =
with a small=20
      single brain metastasis, good performance status, and controlled=20
      extracranial disease who also meet additional eligibility criteria =
for=20
      <SPAN class=3Dsmall-caps>srs</SPAN>.</DIV>
      <DIV class=3Dp id=3D__pid586768>The evidence comparing the =
efficacy of <SPAN=20
      class=3Dsmall-caps>srs</SPAN> with that of surgery in the =
treatment of=20
      single brain metastasis is limited to retrospective reviews. =
Radiosurgery=20
      has been used increasingly in recent years because of minimal=20
      invasiveness, low risk, and ability to treat metastases considered =

      surgically unresectable. No significant difference in survival was =

      detected for patients receiving <SPAN =
class=3Dsmall-caps>srs</SPAN> as=20
      compared with surgery in the three studies included in the present =

      review<SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/10389878"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b18-co14_4p131">18</A></SUP><SUP>,</SUP><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/10949435"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b19-co14_4p131">19</A></SUP><SUP>,</SUP><SUP><A=20
      class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/12654423"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b21-co14_4p131">21</A></SUP>; however, one study suggested =
a benefit=20
      for <SPAN class=3Dsmall-caps>srs</SPAN> in local control and=20
      morbidity<SUP><A class=3D"cite-reflink bibr popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/10949435"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b19-co14_4p131">19</A></SUP>. Those studies were limited by =
small=20
      sample size and differences between treatment cohorts in key =
prognostic=20
      factors such as tumour size and performance status. Patients in =
those=20
      studies represent a highly selected study population, and the =
results=20
      therefore need to be interpreted cautiously. Preliminary evidence =
suggests=20
      a similar efficacy for <SPAN class=3Dsmall-caps>srs</SPAN> and =
surgery, but=20
      direct comparisons using random patient allocation are needed to =
determine=20
      which treatment should be administered to patients who are =
candidates for=20
      both modalities.</DIV>
      <DIV class=3Dp id=3D__pid586835>The evidence comparing <SPAN=20
      class=3Dsmall-caps>srs</SPAN> plus <SPAN =
class=3Dsmall-caps>wbrt</SPAN> with=20
      <SPAN class=3Dsmall-caps>srs</SPAN> alone is of poor quality and =
should be=20
      viewed only as hypothesis-generating. The addition of <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> to <SPAN =
class=3Dsmall-caps>srs</SPAN> has yet=20
      to be clarified through randomized trials. The rationale for using =
<SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> in addition to <SPAN=20
      class=3Dsmall-caps>srs</SPAN> over <SPAN =
class=3Dsmall-caps>srs</SPAN> alone=20
      is similar to the reasons presented for the use of radiation =
therapy=20
      following surgery. Use of <SPAN class=3Dsmall-caps>wbrt</SPAN> =
allows for=20
      irradiation of any microscopic intracranial tumour deposits not =
revealed=20
      by neuro-imaging studies<SUP><A class=3D"cite-reflink bibr =
popnode"=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8123451"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b24-co14_4p131">24</A></SUP> and metastases that have =
infiltrated=20
      into the brain beyond the <SPAN class=3Dsmall-caps>srs</SPAN> =
margins. An=20
      additional theoretic consideration for using combined <SPAN=20
      class=3Dsmall-caps>srs</SPAN> and <SPAN =
class=3Dsmall-caps>wbrt</SPAN> relates=20
      to tumour shrinkage, which may occur after initial treatment with=20
      fractionated <SPAN class=3Dsmall-caps>wbrt</SPAN>. The smaller =
radiosurgical=20
      target may provide better local control and reduced complication =
rates.=20
      Although the addition of <SPAN class=3Dsmall-caps>wbrt</SPAN> to =
<SPAN=20
      class=3Dsmall-caps>srs</SPAN> appears to increase local and =
distant=20
      intracranial control, <SPAN class=3Dsmall-caps>wbrt</SPAN> may be =
associated=20
      with adverse effects such as radiation-induced dementia, =
particularly in=20
      long-term survivors. No quality data exist to help determine =
whether <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> should be given before or after =
<SPAN=20
      class=3Dsmall-caps>srs</SPAN> or whether selected patients should =
receive=20
      <SPAN class=3Dsmall-caps>wbrt</SPAN> at recurrence or progression=20
only.</DIV>
      <DIV class=3Dp id=3D__pid586932>A recent <SPAN =
class=3Dsmall-caps>rct</SPAN> by=20
      Aoyama <EM>et al.</EM> <SUP><A class=3D"cite-reflink bibr popnode" =

      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/16757720"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
      rid=3D"b25-co14_4p131">25</A></SUP> that compared <SPAN=20
      class=3Dsmall-caps>srs</SPAN> plus <SPAN =
class=3Dsmall-caps>wbrt</SPAN> with=20
      <SPAN class=3Dsmall-caps>srs</SPAN> alone in patients with =
1=E2=80=934 brain=20
      metastases did not meet the inclusion criteria for the present =
systematic=20
      review because it did not separately report results for patients =
with=20
      single metastasis; however, 64 of 132 patients had single brain=20
      metastasis. The study did not detect a significant difference in =
overall=20
      survival between the treatment groups, but 1-year rates of brain =
tumour=20
      recurrence (46.8% vs. 76.4%, <EM>p</EM> &lt; 0.001) and =
development of new=20
      brain metastases (41.5% vs. 63.7%, <EM>p</EM> =3D 0.003) were =
lower in=20
      patients who received <SPAN class=3Dsmall-caps>srs</SPAN> plus =
<SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> than in those who received <SPAN=20
      class=3Dsmall-caps>srs</SPAN> alone. Salvage treatment for brain =
tumour=20
      progression was required more frequently in patients who received =
<SPAN=20
      class=3Dsmall-caps>srs</SPAN> alone than in those who received =
<SPAN=20
      class=3Dsmall-caps>srs</SPAN> plus <SPAN =
class=3Dsmall-caps>wbrt</SPAN>=20
      (<EM>p</EM> &lt; 0.001).</DIV>
      <DIV class=3D"p p-last" id=3D__pid587006>The maximum size of =
lesions treatable=20
      with <SPAN class=3Dsmall-caps>srs</SPAN> is not well established, =
although=20
      larger tumour volumes seem to be associated with poorer response =
and local=20
      control, and with higher complication rates. Radiosurgical =
treatment of=20
      larger metastases may increase the risk for development of =
necrotic=20
      lesions. Most studies included in the present review set limits =
for lesion=20
      diameter up to a maximum of 3 cm or 4 cm.</DIV></DIV></DIV></DIV>
      <DIV class=3Dsec id=3D__secid587016>
      <DIV class=3D"head1 section-title" id=3D__secid587016titletitle=20
      style=3D"TEXT-TRANSFORM: none">
      <DIV class=3Dother-sections>
      <UL class=3D"noext-menu noext-menu-hidden">
        <LI><A class=3Dfirst-link=20
        =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#">&nbsp;Othe=
r=20
        Sections=E2=96=BC</A>
        <UL class=3D"submenu head1">
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__abstractid=
602202">Abstract</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58424=
2">1.=20
          INTRODUCTION</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58427=
0">2.=20
          CHOICE OF TOPIC AND RATIONALE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58445=
5">3.=20
          METHODS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58470=
3">4.=20
          RESULTS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58621=
6">5.=20
          DISCUSSION</A>
          <LI class=3D"submenu-item current-item"><A class=3D""=20
          style=3D"TEXT-TRANSFORM: none" onclick=3Dreturn(false)=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#">6.=20
          NEURO-<IMG=20
          style=3D"BORDER-TOP-STYLE: none; BORDER-RIGHT-STYLE: none; =
BORDER-LEFT-STYLE: none; BORDER-BOTTOM-STYLE: none"=20
          =
src=3D"http://www.ncbi.nlm.nih.gov/corehtml/pmc/pmcents/dot.gif">ONCOLOGY=
=20
          DSG CONSENSUS PROCESS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58705=
8">7.=20
          EXTERNAL REVIEW OF THE PRACTICE GUIDELINE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58742=
0">8.=20
          PRACTICE GUIDELINE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58751=
3">9.=20
          PRACTICE GUIDELINE DATE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__ref-listid=
587541">10.=20
          REFERENCES</A></LI></UL></LI></UL></DIV>
      <DIV>6. NEURO-ONCOLOGY DSG CONSENSUS PROCESS</DIV></DIV>
      <DIV class=3Dsection-content id=3D__secid587016content>
      <DIV class=3D"p p-first" id=3D__pid587020>The Neuro-oncology <SPAN =

      class=3Dsmall-caps>dsg</SPAN> decided to limit the target =
population for the=20
      present guideline by excluding patients with metastatic lymphoma,=20
      small-cell lung cancer, germ-cell tumour, leukemia, and sarcoma =
because=20
      these primary tumours are radiosensitive and respond differently =
to=20
      radiation therapy than do other tumours.</DIV>
      <DIV class=3D"p p-last" id=3D__pid587029>After reviewing the =
guideline report,=20
      the <SPAN class=3Dsmall-caps>dsg</SPAN> members discussed the role =
of=20
      postoperative <SPAN class=3Dsmall-caps>wbrt</SPAN> in terms of =
increased=20
      survival. Other issues addressed included <SPAN=20
      class=3Dsmall-caps>srs</SPAN> versus surgical resection and the =
use of <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> plus <SPAN =
class=3Dsmall-caps>srs</SPAN>. The=20
      Neuro-oncology <SPAN class=3Dsmall-caps>dsg</SPAN> drafted =
recommendations=20
      based on the evidence and attempted to draft recommendations based =
on=20
      perceived practice variations within Ontario.</DIV></DIV></DIV>
      <DIV class=3Dsec id=3D__secid587058>
      <DIV class=3D"head1 section-title" id=3D__secid587058titletitle=20
      style=3D"TEXT-TRANSFORM: none">
      <DIV class=3Dother-sections>
      <UL class=3D"noext-menu noext-menu-hidden">
        <LI><A class=3Dfirst-link=20
        =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#">&nbsp;Othe=
r=20
        Sections=E2=96=BC</A>
        <UL class=3D"submenu head1">
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__abstractid=
602202">Abstract</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58424=
2">1.=20
          INTRODUCTION</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58427=
0">2.=20
          CHOICE OF TOPIC AND RATIONALE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58445=
5">3.=20
          METHODS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58470=
3">4.=20
          RESULTS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58621=
6">5.=20
          DISCUSSION</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58701=
6">6.=20
          NEURO-<IMG=20
          style=3D"BORDER-TOP-STYLE: none; BORDER-RIGHT-STYLE: none; =
BORDER-LEFT-STYLE: none; BORDER-BOTTOM-STYLE: none"=20
          =
src=3D"http://www.ncbi.nlm.nih.gov/corehtml/pmc/pmcents/dot.gif">ONCOLOGY=
=20
          DSG CONSENSUS PROCESS</A>
          <LI class=3D"submenu-item current-item"><A class=3D""=20
          style=3D"TEXT-TRANSFORM: none" onclick=3Dreturn(false)=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#">7.=20
          EXTERNAL REVIEW OF THE PRACTICE GUIDELINE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58742=
0">8.=20
          PRACTICE GUIDELINE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58751=
3">9.=20
          PRACTICE GUIDELINE DATE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__ref-listid=
587541">10.=20
          REFERENCES</A></LI></UL></LI></UL></DIV>
      <DIV>7. EXTERNAL REVIEW OF THE PRACTICE GUIDELINE</DIV></DIV>
      <DIV class=3Dsection-content id=3D__secid587058content>
      <DIV class=3D"sec sec-first" id=3D__secid587062>
      <DIV class=3D"head2 head-separate">7.1 Report Approval Panel =
Process</DIV>
      <DIV class=3D"p p-first" id=3D__pid587067>Before the present =
practice=20
      guideline was submitted for external review, the report was =
reviewed and=20
      approved by the <SPAN class=3Dsmall-caps>pebc rap</SPAN>, which =
consists of=20
      two members, including an oncologist with expertise in clinical =
and=20
      methodology issues. Key issues raised by the <SPAN=20
      class=3Dsmall-caps>rap</SPAN> included these points:</DIV>
      <UL style=3D"LIST-STYLE-TYPE: disc">
        <LI><SPAN>For the first question on surgical resection, three =
small=20
        <SPAN class=3Dsmall-caps>rct</SPAN>s were included. Analyses by =
both=20
        intent to treat and actual treatment received would be helpful. =
The=20
        <SPAN class=3Dsmall-caps>dsg</SPAN> should indicate compliance =
with the=20
        assigned therapy and expand the interpretations in the =
Discussion=20
        section if the data demonstrate compliance problems.</SPAN>
        <LI><SPAN>The subsection on quality of life cites only data =
regarding=20
        performance status. If these are the only data available, the =
<SPAN=20
        class=3Dsmall-caps>dsg</SPAN> should consider renaming the =
section and=20
        address the topic as a performance-status outcome evaluation =
rather than=20
        as an assessment of quality of life.</SPAN>
        <LI><SPAN>The <SPAN class=3Dsmall-caps>dsg</SPAN> should =
consider a more=20
        definitive recommendation stating that the data are insufficient =
to=20
        recommend <SPAN class=3Dsmall-caps>srs</SPAN> as single-modality =

        therapy.</SPAN></LI></UL>
      <DIV class=3D"p p-last" id=3D__pid587120>In response to this =
feedback, the=20
      Neuro-oncology <SPAN class=3Dsmall-caps>dsg</SPAN> made the =
following=20
      modifications to the report and guideline:</DIV>
      <UL style=3D"LIST-STYLE-TYPE: disc">
        <LI><SPAN>Information regarding treatment compliance was added =
to the=20
        Results section and to the Discussion of the systematic review. =
The=20
        three <SPAN class=3Dsmall-caps>rct</SPAN>s did not perform =
analyses=20
        according to treatment received.</SPAN>
        <LI><SPAN>The authors changed the title of the quality of life=20
        subsection to Quality of Life and Performance Status to reflect =
the=20
        performance status focus of most of the data.</SPAN>
        <LI><SPAN>The <SPAN class=3Dsmall-caps>dsg</SPAN> added a =
statement to the=20
        recommendations to emphasize that the evidence is insufficient =
to=20
        recommend <SPAN class=3Dsmall-caps>srs</SPAN> as single-modality =

        therapy.</SPAN></LI></UL></DIV>
      <DIV class=3D"sec sec-last" id=3D__secid587158>
      <DIV class=3D"head2 head-separate">7.2 Practitioner Feedback</DIV>
      <DIV class=3D"sec sec-first" id=3D__secid587163><SPAN =
class=3Dhead3>7.2.1=20
      Methods </SPAN>
      <DIV class=3D"p p-first-last" id=3D__pid587169>Practitioner =
feedback on the=20
      draft practice guideline report was obtained through an electronic =
survey=20
      of 98 practitioners in Ontario (medical oncologists, radiation=20
      oncologists, neurologists, and neurosurgeons). The survey =
consisted of=20
      items evaluating the methods, results, and discussion used to =
inform the=20
      draft recommendations and whether the draft recommendations should =
be=20
      approved as a practice guideline. Written comments were invited. =
Follow-up=20
      reminders were sent at 4 weeks and 6 weeks.</DIV></DIV>
      <DIV class=3Dsec id=3D__secid587176><SPAN class=3Dhead3>7.2.2 =
Results </SPAN>
      <DIV class=3D"p p-first" id=3D__pid587182>Of the 23 practitioners =
who=20
      responded, 16 indicated that the report was relevant to their =
clinical=20
      practice, and they completed the survey. The other 7 practitioners =

      indicated that they were not able to complete the survey or that =
the=20
      report was not relevant to their clinical practice. These were the =
key=20
      results of the practitioner feedback survey:</DIV>
      <DIV class=3Dp id=3D__pid587188>Number surveyed: 98</DIV>
      <DIV class=3Dp id=3D__pid587190>Number of responses: 23 =
(23%)</DIV>
      <DIV class=3Dp id=3D__pid587193>Number who completed the survey: =
16=20
(70%)</DIV>
      <DIV class=3Dp id=3D__pid587196>Written comments attached: 6 =
(38%)</DIV>
      <DIV class=3Dp id=3D__pid587199>Agreement with the summary of the =
evidence: 14=20
      (88%)</DIV>
      <DIV class=3Dp id=3D__pid587202>Agreement with the =
recommendations: 12=20
      (75%)</DIV>
      <DIV class=3D"p p-last" id=3D__pid587205>Approval of the =
recommendation as a=20
      practice guideline: 12 (75%)</DIV></DIV>
      <DIV class=3Dsec id=3D__secid587208><SPAN class=3Dhead3>7.2.3 =
Summary of Main=20
      Findings </SPAN>
      <DIV class=3D"p p-first-last" id=3D__pid587215>Of respondents who =
completed=20
      the survey, 6 (38%) provided written comments. The main points =
contained=20
      in the written comments are summarized below.</DIV>
      <UL style=3D"LIST-STYLE-TYPE: disc">
        <LI><SPAN>One respondent commented that the draft was very =
good.</SPAN>
        <LI><SPAN>One respondent stated that the recommendations were as =
clear=20
        as possible given the vagueness of the literature. This =
respondent felt=20
        that the data regarding surgical excision and adjuvant radiation =
were=20
        clear enough and agreed fully with this aspect of the =
report.</SPAN>
        <LI><SPAN>One respondent commented that implementation of <SPAN=20
        class=3Dsmall-caps>srs</SPAN> would require significant resource =

        allocation.</SPAN>
        <LI><SPAN>Two respondents stated that the <SPAN=20
        class=3Dsmall-caps>rct</SPAN> by Aoyama <EM>et al.</EM><SUP><A=20
        class=3D"cite-reflink bibr popnode"=20
        href=3D"http://www.ncbi.nlm.nih.gov/pubmed/16757720"=20
        =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
        rid=3D"b25-co14_4p131">25</A></SUP> comparing <SPAN=20
        class=3Dsmall-caps>srs</SPAN> plus <SPAN =
class=3Dsmall-caps>wbrt</SPAN> with=20
        <SPAN class=3Dsmall-caps>srs</SPAN> alone should be included in =
the=20
        systematic review. Although the full publication was outside the =
scope=20
        of the literature review, results were available in abstracts =
from the=20
        2004 American Society of Clinical Oncology annual =
meeting.</SPAN>
        <LI><SPAN>One respondent suggested that the study by Auchter =
<EM>et=20
        al.</EM><SUP><A class=3D"cite-reflink bibr popnode"=20
        href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8641923"=20
        =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
        rid=3D"b17-co14_4p131">17</A></SUP> would be more appropriately =
included=20
        and discussed in the SRS Versus Surgical Resection subsection, =
because=20
        it describes a patient population that would have been eligible =
for=20
        surgery but that was treated with radiosurgery.</SPAN>
        <LI><SPAN>One respondent commented that few high quality data =
support=20
        the statements made in the report and that the data comparing =
<SPAN=20
        class=3Dsmall-caps>srs</SPAN> with surgery are as good as any of =
these.=20
        The limited evidence suggests that <SPAN =
class=3Dsmall-caps>srs</SPAN> and=20
        surgery are roughly equivalent, and <SPAN =
class=3Dsmall-caps>srs</SPAN>=20
        (with or without <SPAN class=3Dsmall-caps>wbrt</SPAN>) should be =
strongly=20
        considered for single lesions that are not amenable to surgery. =
The=20
        report should mention this consideration.</SPAN>
        <LI><SPAN>One respondent found it difficult to comment on the =
draft=20
        recommendations because they were not clear and because no =
definitive=20
        recommendation was made for each of the questions. The =
respondent=20
        suggested that a summary of the recommendations would be=20
        helpful.</SPAN></LI></UL></DIV>
      <DIV class=3D"sec sec-last" id=3D__secid587323><SPAN =
class=3Dhead3>7.2.4=20
      Modifications or Actions </SPAN>
      <DIV class=3D"p p-first-last" id=3D__pid587327>Based on the =
practitioner=20
      feedback survey, the following actions were taken or modifications =

      made:</DIV>
      <UL style=3D"LIST-STYLE-TYPE: disc">
        <LI><SPAN>The text was amended to state that issues of cost of =
treatment=20
        and resource allocation are beyond the scope of this =
evidence-based=20
        guideline.</SPAN>
        <LI><SPAN>The <SPAN class=3Dsmall-caps>rct</SPAN> by Aoyama =
<EM>et=20
        al.</EM> <SUP><A class=3D"cite-reflink bibr popnode"=20
        href=3D"http://www.ncbi.nlm.nih.gov/pubmed/16757720"=20
        =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
        rid=3D"b25-co14_4p131">25</A></SUP> was still excluded from the =
systematic=20
        review because it did not report results for patients with =
single brain=20
        metastasis separately from those for patients with multiple =
metastases.=20
        A paragraph regarding this <SPAN class=3Dsmall-caps>rct</SPAN> =
was added=20
        to the Discussion section of the systematic review.</SPAN>
        <LI><SPAN>The study by Auchter <EM>et al.</EM><SUP><A=20
        class=3D"cite-reflink bibr popnode"=20
        href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8641923"=20
        =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DEntrez%7CPubMed%7CR=
ecord&amp;rendering-type=3Dnormal"=20
        rid=3D"b17-co14_4p131">17</A></SUP> was a single-arm study of =
<SPAN=20
        class=3Dsmall-caps>srs</SPAN> plus <SPAN =
class=3Dsmall-caps>wbrt</SPAN> for=20
        patients whose tumours were considered resectable. This study =
was not=20
        included in the surgery versus <SPAN =
class=3Dsmall-caps>srs</SPAN>=20
        subsection because it was not a comparative study and patients =
did not=20
        undergo surgical resection.</SPAN>
        <LI><SPAN>The recommendations state that <SPAN=20
        class=3Dsmall-caps>srs</SPAN> following <SPAN =
class=3Dsmall-caps>wbrt</SPAN>=20
        should be considered for any patients with a tumour whose size =
and=20
        location are suitable for <SPAN class=3Dsmall-caps>srs</SPAN>. =
The authors=20
        did not feel that a separate recommendation for <SPAN=20
        class=3Dsmall-caps>srs</SPAN> specifically in patients with a =
single=20
        lesion not amenable to surgery was=20
      necessary.</SPAN></LI></UL></DIV></DIV></DIV></DIV>
      <DIV class=3Dsec id=3D__secid587420>
      <DIV class=3D"head1 section-title" id=3D__secid587420titletitle=20
      style=3D"TEXT-TRANSFORM: none">
      <DIV class=3Dother-sections>
      <UL class=3D"noext-menu noext-menu-hidden">
        <LI><A class=3Dfirst-link=20
        =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#">&nbsp;Othe=
r=20
        Sections=E2=96=BC</A>
        <UL class=3D"submenu head1">
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__abstractid=
602202">Abstract</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58424=
2">1.=20
          INTRODUCTION</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58427=
0">2.=20
          CHOICE OF TOPIC AND RATIONALE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58445=
5">3.=20
          METHODS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58470=
3">4.=20
          RESULTS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58621=
6">5.=20
          DISCUSSION</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58701=
6">6.=20
          NEURO-<IMG=20
          style=3D"BORDER-TOP-STYLE: none; BORDER-RIGHT-STYLE: none; =
BORDER-LEFT-STYLE: none; BORDER-BOTTOM-STYLE: none"=20
          =
src=3D"http://www.ncbi.nlm.nih.gov/corehtml/pmc/pmcents/dot.gif">ONCOLOGY=
=20
          DSG CONSENSUS PROCESS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58705=
8">7.=20
          EXTERNAL REVIEW OF THE PRACTICE GUIDELINE</A>
          <LI class=3D"submenu-item current-item"><A class=3D""=20
          style=3D"TEXT-TRANSFORM: none" onclick=3Dreturn(false)=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#">8.=20
          PRACTICE GUIDELINE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58751=
3">9.=20
          PRACTICE GUIDELINE DATE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__ref-listid=
587541">10.=20
          REFERENCES</A></LI></UL></LI></UL></DIV>
      <DIV>8. PRACTICE GUIDELINE</DIV></DIV>
      <DIV class=3Dsection-content id=3D__secid587420content>
      <DIV class=3D"p p-first-last" id=3D__pid587424>The present =
practice guideline=20
      integrates the draft recommendations with the feedback obtained =
from the=20
      external review process. It has been approved by the =
Neuro-oncology <SPAN=20
      class=3Dsmall-caps>dsg</SPAN> and the <SPAN =
class=3Dsmall-caps>pebc=20
      rap</SPAN>.</DIV>
      <DIV class=3Dsec id=3D__secid587436>
      <DIV class=3D"head2 head-separate">8.1 Target Population</DIV>
      <DIV class=3D"p p-first-last" id=3D__pid587440>The recommendations =
that follow=20
      apply to adults with confirmed cancer and a single brain =
metastasis. This=20
      practice guideline does not apply to patients with metastatic =
lymphoma,=20
      small-cell lung cancer, germ-cell tumour, leukemia, or=20
sarcoma.</DIV></DIV>
      <DIV class=3Dsec id=3D__secid587444>
      <DIV class=3D"head2 head-separate">8.2 Recommendations</DIV>
      <DIV class=3D"p p-first" id=3D__pid587448>Surgical excision should =
be=20
      considered for patients with good performance status, minimal or =
no=20
      evidence of extracranial disease, and a surgically accessible =
single brain=20
      metastasis amenable to complete excision. Because treatment in =
cases of=20
      single brain metastasis is considered palliative, invasive local=20
      treatments must be individualized. Patients with lesions requiring =

      emergency decompression because of intracranial hypertension were =
excluded=20
      from the <SPAN class=3Dsmall-caps>rct</SPAN>s, but should be =
considered=20
      candidates for surgery.</DIV>
      <DIV class=3Dp id=3D__pid587459>Postoperative <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> should be considered to reduce the =
risk of=20
      tumour recurrence for patients who have undergone resection of a =
single=20
      brain metastasis. The optimal dose and fractionation schedule for =
<SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> is 3000 cGy in 10 fractions or 2000 =
cGy in 5=20
      fractions.</DIV>
      <DIV class=3D"p p-last" id=3D__pid587471>As an alternative to =
surgical=20
      resection, <SPAN class=3Dsmall-caps>wbrt</SPAN> followed by <SPAN=20
      class=3Dsmall-caps>srs</SPAN> boost should be considered for =
patients with=20
      single brain metastasis. The evidence is insufficient to recommend =
<SPAN=20
      class=3Dsmall-caps>srs</SPAN> alone as single-modality =
therapy.</DIV></DIV>
      <DIV class=3D"sec sec-last" id=3D__secid587487>
      <DIV class=3D"head2 head-separate">8.3 Qualifying Statements</DIV>
      <DIV class=3D"p p-first" id=3D__pid587491>No high-quality data are =
available=20
      regarding the choice of surgery versus radiosurgery for single =
brain=20
      metastasis. In general, size and location of the metastasis =
determine the=20
      optimal approach.</DIV>
      <DIV class=3D"p p-last" id=3D__pid587495>The standard <SPAN=20
      class=3Dsmall-caps>wbrt</SPAN> regimen for management of patients =
with=20
      single brain metastasis in the United States is 3000 cGy in 10 =
fractions,=20
      and this treatment is usually the standard arm in randomized =
studies of=20
      radiation in patients with brain metastases. Based solely on =
evidence, the=20
      understanding that no reason exists to choose 3000 cGy in 10 =
fractions=20
      over 2000 cGy in 5 fractions is correct; however, fraction size is =

      believed to be important, and therefore 300 cGy daily (3000/10) is =

      believed to be associated with fewer long-term neurocognitive =
effects than=20
      is 400 cGy daily (2000/5) in the occasional long-term survivor. =
For that=20
      reason, many radiation oncologists in Ontario prefer 3000 cGy in =
10=20
      fractions. No data exist to either support or refute that =
preference;=20
      therefore, finding a resolution to this issue is not currently =
possible.=20
      The Neuro-oncology <SPAN class=3Dsmall-caps>dsg</SPAN> will update =
the=20
      recommendations as new evidence becomes =
available.</DIV></DIV></DIV></DIV>
      <DIV class=3Dsec id=3D__secid587513>
      <DIV class=3D"head1 section-title" id=3D__secid587513titletitle=20
      style=3D"TEXT-TRANSFORM: none">
      <DIV>9. PRACTICE GUIDELINE DATE</DIV></DIV>
      <DIV class=3Dsection-content id=3D__secid587513content>
      <DIV class=3D"p p-first-last" id=3D__pid587517>Approved on August =
16, 2006.=20
      Practice guidelines developed by Cancer Care Ontario=E2=80=99s =
<SPAN=20
      class=3Dsmall-caps>pebc</SPAN> are regularly reviewed and updated. =
Please=20
      visit the Web site of Cancer Care Ontario=E2=80=99s <SPAN=20
      class=3Dsmall-caps>pebc</SPAN> (<SPAN class=3Dext-reflink><A =
class=3Dext-reflink=20
      onclick=3D"focuswin('pmc_ext')"=20
      =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/www.cancercar=
e.on.ca/index_AboutthePEBC.htm"=20
      target=3Dpmc_ext=20
      =
ref=3D"reftype=3Dextlink&amp;article-id=3D1948870&amp;issue-id=3D147067&a=
mp;journal-id=3D481&amp;FROM=3DArticle%7CBody&amp;TO=3DExternal%7CLink%7C=
URI&amp;rendering-type=3Dnormal">http://www.ncbi.nlm.nih.gov/pmc/articles=
/PMC1948870/www.cancercare.on.ca/index_AboutthePEBC.htm</A></SPAN>)=20
      for updates of this guideline.</DIV></DIV></DIV>
      <DIV class=3Dsec id=3D__articleid584045footnotes>
      <DIV class=3D"head1 section-title" =
id=3D__articleid584045footnotestitletitle=20
      style=3D"TEXT-TRANSFORM: none">
      <DIV>Footnotes</DIV></DIV>
      <DIV class=3Dsection-content =
id=3D__articleid584045footnotescontent>
      <DIV class=3Dfm-footnote id=3D__fnid459945>
      <DIV class=3D"p p-first-last" id=3D__pid459946>The Cancer Care =
Ontario=20
      Practice Guidelines Initiative is sponsored by Cancer Care Ontario =
and the=20
      Ontario Ministry of Health and Long-Term =
Care</DIV></DIV></DIV></DIV>
      <DIV class=3Dsec id=3D__ref-listid587541>
      <DIV class=3D"head1 section-title" =
id=3D__ref-listid587541titletitle=20
      style=3D"TEXT-TRANSFORM: none">
      <DIV class=3Dother-sections>
      <UL class=3D"noext-menu noext-menu-hidden">
        <LI><A class=3Dfirst-link=20
        =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#">&nbsp;Othe=
r=20
        Sections=E2=96=BC</A>
        <UL class=3D"submenu head1">
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__abstractid=
602202">Abstract</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58424=
2">1.=20
          INTRODUCTION</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58427=
0">2.=20
          CHOICE OF TOPIC AND RATIONALE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58445=
5">3.=20
          METHODS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58470=
3">4.=20
          RESULTS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58621=
6">5.=20
          DISCUSSION</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58701=
6">6.=20
          NEURO-<IMG=20
          style=3D"BORDER-TOP-STYLE: none; BORDER-RIGHT-STYLE: none; =
BORDER-LEFT-STYLE: none; BORDER-BOTTOM-STYLE: none"=20
          =
src=3D"http://www.ncbi.nlm.nih.gov/corehtml/pmc/pmcents/dot.gif">ONCOLOGY=
=20
          DSG CONSENSUS PROCESS</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58705=
8">7.=20
          EXTERNAL REVIEW OF THE PRACTICE GUIDELINE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58742=
0">8.=20
          PRACTICE GUIDELINE</A>
          <LI class=3Dsubmenu-item><A class=3D"" =
style=3D"TEXT-TRANSFORM: none"=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#__secid58751=
3">9.=20
          PRACTICE GUIDELINE DATE</A>
          <LI class=3D"submenu-item current-item"><A class=3D""=20
          style=3D"TEXT-TRANSFORM: none" onclick=3Dreturn(false)=20
          =
href=3D"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1948870/#">10.=20
          REFERENCES</A></LI></UL></LI></UL></DIV>
      <DIV>10. REFERENCES</DIV></DIV>
      <DIV class=3Dsection-content id=3D__ref-listid587541content>
      <DIV class=3Dback-matter-section id=3Dreference-list>
      <DIV class=3Dref-cit-blk id=3Db1-co14_4p131><SPAN =
class=3Dref-label>1.</SPAN>=20
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id=3D__citationid587552>Posner JB.=20
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Med%7CRecord&amp;rendering-type=3Dnormal">PubMed</A>]</SPAN></SPAN></SPAN=
></DIV>
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Med%7CRecord&amp;rendering-type=3Dnormal">PubMed</A>]</SPAN></SPAN></SPAN=
></DIV>
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id=3D__citationid587659>Walker AE,=20
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survey=20
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class=3Dref-journal>Neurology.=20
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      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/3969210"=20
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p;journal-id=3D481&amp;FROM=3DArticle%7CCitationRef&amp;TO=3DEntrez%7CPub=
Med%7CRecord&amp;rendering-type=3Dnormal">PubMed</A>]</SPAN></SPAN></SPAN=
></DIV>
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      Wampler GL, Stablein D, Hazra T, Young HF. Intracerebral =
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      class=3Dref-vol>48</SPAN>:384=E2=80=9394.</SPAN> <SPAN=20
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      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/7237407"=20
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p;journal-id=3D481&amp;FROM=3DArticle%7CCitationRef&amp;TO=3DEntrez%7CPub=
Med%7CRecord&amp;rendering-type=3Dnormal">PubMed</A>]</SPAN></SPAN></SPAN=
></DIV>
      <DIV class=3Dref-cit-blk id=3Db5-co14_4p131><SPAN =
class=3Dref-label>5.</SPAN>=20
      <SPAN class=3Dref-cit><SPAN class=3Dcitation =
id=3D__citationid587786>Patchell=20
      RA, Tibbs PA, Walsh JW, et al. A randomized trial of surgery in =
the=20
      treatment of single metastases to the brain. <SPAN><SPAN=20
      class=3Dref-journal>N Engl J Med. </SPAN>1990;<SPAN=20
      class=3Dref-vol>322</SPAN>:494=E2=80=93500.</SPAN> <SPAN=20
      style=3D"WHITE-SPACE: nowrap">[<A class=3Dref-extlink=20
      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CCitationRef&amp;TO=3DEntrez%7CPub=
Med%7CRecord&amp;rendering-type=3Dnormal">PubMed</A>]</SPAN></SPAN></SPAN=
></DIV>
      <DIV class=3Dref-cit-blk id=3Db6-co14_4p131><SPAN =
class=3Dref-label>6.</SPAN>=20
      <SPAN class=3Dref-cit><SPAN class=3Dcitation =
id=3D__citationid587845>Mintz AH,=20
      Kestle J, Rathbone MP, et al. A randomized trial to assess the =
efficacy of=20
      surgery in addition to radiotherapy in patients with a single =
brain=20
      metastasis. <SPAN><SPAN class=3Dref-journal>Cancer. =
</SPAN>1996;<SPAN=20
      class=3Dref-vol>78</SPAN>:1470=E2=80=936.</SPAN> <SPAN=20
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      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
      =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle%7CCitationRef&amp;TO=3DEntrez%7CPub=
Med%7CRecord&amp;rendering-type=3Dnormal">PubMed</A>]</SPAN></SPAN></SPAN=
></DIV>
      <DIV class=3Dref-cit-blk id=3Db7-co14_4p131><SPAN =
class=3Dref-label>7.</SPAN>=20
      <SPAN class=3Dref-cit><SPAN class=3Dcitation =
id=3D__citationid587904>Browman GP,=20
      Levine MN, Mohide EA, et al. The practice guidelines development =
cycle: a=20
      conceptual tool for practice guidelines development and =
implementation.=20
      <SPAN><SPAN class=3Dref-journal>J Clin Oncol. </SPAN>1995;<SPAN=20
      class=3Dref-vol>13</SPAN>:502=E2=80=9312.</SPAN> <SPAN=20
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      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/7844612"=20
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p;journal-id=3D481&amp;FROM=3DArticle%7CCitationRef&amp;TO=3DEntrez%7CPub=
Med%7CRecord&amp;rendering-type=3Dnormal">PubMed</A>]</SPAN></SPAN></SPAN=
></DIV>
      <DIV class=3Dref-cit-blk id=3Db8-co14_4p131><SPAN =
class=3Dref-label>8.</SPAN>=20
      <SPAN class=3Dref-cit><SPAN class=3Dcitation =
id=3D__citationid587962>Vecht CJ,=20
      Haaxma=E2=80=93Reiche H, Noordijk EM, et al. Treatment of single =
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      radiotherapy alone or combined with neurosurgery? <SPAN><SPAN=20
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      href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
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Med%7CRecord&amp;rendering-type=3Dnormal">PubMed</A>]</SPAN></SPAN></SPAN=
></DIV>
      <DIV class=3Dref-cit-blk id=3Db9-co14_4p131><SPAN =
class=3Dref-label>9.</SPAN>=20
      <SPAN class=3Dref-cit><SPAN class=3Dcitation =
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      Grant R, Walker M, Dickinson H. Surgical resection and whole brain =

      radiation therapy versus whole brain radiation therapy alone for =
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      <DIV class=3Dref-cit-blk id=3Db10-co14_4p131><SPAN =
class=3Dref-label>10.</SPAN>=20
      <SPAN class=3Dref-cit><SPAN class=3Dcitation =
id=3D__citationid588075>Patchell=20
      RA, Tibbs PA, Regine WF, et al. Postoperative radiotherapy in the=20
      treatment of single metastases to the brain: a randomized trial.=20
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        =
ref=3D"reftype=3Drelart&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|RelatedArticles&amp;TO=3DEntrez|Pub=
med|Record">Single-agent=20
        interleukin-2 in the treatment of metastatic melanoma.</A>=20
        <P class=3Ddesc><EM class=3Dcit>Curr Oncol. 2007 Feb; =
14(1):21-26. </EM></P>
        <P class=3Dnote>[Curr Oncol. 2007]</P></LI>
        <LI class=3D"item popnode note"><A=20
        =
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/16111570?ordinalpos=3D1&amp;it=
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p;journal-id=3D481&amp;FROM=3DArticle|RelatedArticles&amp;TO=3DEntrez|Pub=
med|Record"><SPAN=20
        class=3Dreviewflag>Review</SPAN>The American Society for =
Therapeutic=20
        Radiology and Oncology (ASTRO) evidence-based review of the role =
of=20
        radiosurgery for brain metastases.</A>=20
        <P class=3Ddesc><EM class=3Dcit>Int J Radiat Oncol Biol Phys. =
2005 Sep 1;=20
        63(1):37-46. </EM></P>
        <P class=3Dnote>[Int J Radiat Oncol Biol Phys. 2005]</P>
        <LI class=3Dmore>=C2=BB <A=20
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        guideline.</A></DIV></LI>
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href=3D"http://www.ncbi.nlm.nih.gov/portal/utils/pageresolver.fcgi?log$=3D=
activity&amp;recordid=3D1259073566533201">Efficacy=20
        of surgical resection in management of isolated extrahepatic =
metastases=20
        of hepato...</A><A class=3Dhidden>Efficacy of surgical resection =
in=20
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        <LI class=3Ditem><A=20
        =
href=3D"http://www.ncbi.nlm.nih.gov/sites/entrez?Db=3Dpubmed&amp;DbFrom=3D=
pmc&amp;Cmd=3DLink&amp;LinkName=3Dpmc_pubmed&amp;LinkReadableName=3DPubMe=
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        </LI></UL></DIV></DIV></DIV></TD></TR></TBODY></TABLE>
<DIV class=3DArticleRefDocsums id=3DArticleRefDocsums>
<DIV class=3Dcited-ref id=3Dcite-__pid584274 rid=3D"__pid584274"=20
pmids=3D"4412796 3969210 3390029 7237407">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/4412796"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Diagnosis=20
  and treatment of metastases to the brain.</A>
  <P class=3Ddesc><EM class=3Dcit>Clin Bull. 1974; =
4(2):47-57.</EM></P><SPAN=20
  class=3Dpub>[Clin Bull. 1974]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/3969210"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Epidemiology=20
  of brain tumors: the national survey of intracranial neoplasms.</A>
  <P class=3Ddesc><EM class=3Dcit>Neurology. 1985 Feb; =
35(2):219-26.</EM></P><SPAN=20
  class=3Dpub>[Neurology. 1985]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/3390029"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Distribution=20
  of brain metastases.</A>
  <P class=3Ddesc><EM class=3Dcit>Arch Neurol. 1988 Jul; =
45(7):741-4.</EM></P><SPAN=20
  class=3Dpub>[Arch Neurol. 1988]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/7237407"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Intracerebral=20
  metastases in solid-tumor patients: natural history and results of=20
  treatment.</A>
  <P class=3Ddesc><EM class=3Dcit>Cancer. 1981 Jul 15; =
48(2):384-94.</EM></P><SPAN=20
  class=3Dpub>[Cancer. 1981]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/4412796,3969210,3390029,723740=
7/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid584327 rid=3D"__pid584327"=20
pmids=3D"2405271 8839553">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial of surgery in the treatment of single metastases to =
the=20
  brain.</A>
  <P class=3Ddesc><EM class=3Dcit>N Engl J Med. 1990 Feb 22;=20
  322(8):494-500.</EM></P><SPAN class=3Dpub>[N Engl J Med. =
1990]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial to assess the efficacy of surgery in addition to =
radiotherapy=20
  in patients with a single cerebral metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Cancer. 1996 Oct 1; =
78(7):1470-6.</EM></P><SPAN=20
  class=3Dpub>[Cancer. 1996]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271,8839553/?report=3Dsumm=
ary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid584466 rid=3D"__pid584466" =
pmids=3D"7844612">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/7844612"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">The=20
  practice guidelines development cycle: a conceptual tool for practice=20
  guidelines development and implementation.</A>
  <P class=3Ddesc><EM class=3Dcit>J Clin Oncol. 1995 Feb;=20
  13(2):502-12.</EM></P><SPAN class=3Dpub>[J Clin Oncol. =
1995]</SPAN></LI></UL><A=20
class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/7844612/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid584654 rid=3D"__pid584654"=20
pmids=3D"2405271 8839553 8498838">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial of surgery in the treatment of single metastases to =
the=20
  brain.</A>
  <P class=3Ddesc><EM class=3Dcit>N Engl J Med. 1990 Feb 22;=20
  322(8):494-500.</EM></P><SPAN class=3Dpub>[N Engl J Med. =
1990]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial to assess the efficacy of surgery in addition to =
radiotherapy=20
  in patients with a single cerebral metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Cancer. 1996 Oct 1; =
78(7):1470-6.</EM></P><SPAN=20
  class=3Dpub>[Cancer. 1996]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Treatment=20
  of single brain metastasis: radiotherapy alone or combined with=20
  neurosurgery?</A>
  <P class=3Ddesc><EM class=3Dcit>Ann Neurol. 1993 Jun; =
33(6):583-90.</EM></P><SPAN=20
  class=3Dpub>[Ann Neurol. 1993]</SPAN></LI></UL><A class=3Dall-articles =

href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271,8839553,8498838/?repor=
t=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid584741 rid=3D"__pid584741"=20
pmids=3D"2405271 8839553 8498838">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial of surgery in the treatment of single metastases to =
the=20
  brain.</A>
  <P class=3Ddesc><EM class=3Dcit>N Engl J Med. 1990 Feb 22;=20
  322(8):494-500.</EM></P><SPAN class=3Dpub>[N Engl J Med. =
1990]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial to assess the efficacy of surgery in addition to =
radiotherapy=20
  in patients with a single cerebral metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Cancer. 1996 Oct 1; =
78(7):1470-6.</EM></P><SPAN=20
  class=3Dpub>[Cancer. 1996]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Treatment=20
  of single brain metastasis: radiotherapy alone or combined with=20
  neurosurgery?</A>
  <P class=3Ddesc><EM class=3Dcit>Ann Neurol. 1993 Jun; =
33(6):583-90.</EM></P><SPAN=20
  class=3Dpub>[Ann Neurol. 1993]</SPAN></LI></UL><A class=3Dall-articles =

href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271,8839553,8498838/?repor=
t=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid584913 rid=3D"__pid584913"=20
pmids=3D"2405271 8498838 8839553">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial of surgery in the treatment of single metastases to =
the=20
  brain.</A>
  <P class=3Ddesc><EM class=3Dcit>N Engl J Med. 1990 Feb 22;=20
  322(8):494-500.</EM></P><SPAN class=3Dpub>[N Engl J Med. =
1990]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Treatment=20
  of single brain metastasis: radiotherapy alone or combined with=20
  neurosurgery?</A>
  <P class=3Ddesc><EM class=3Dcit>Ann Neurol. 1993 Jun; =
33(6):583-90.</EM></P><SPAN=20
  class=3Dpub>[Ann Neurol. 1993]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial to assess the efficacy of surgery in addition to =
radiotherapy=20
  in patients with a single cerebral metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Cancer. 1996 Oct 1; =
78(7):1470-6.</EM></P><SPAN=20
  class=3Dpub>[Cancer. 1996]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271,8498838,8839553/?repor=
t=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid585009 rid=3D"__pid585009" =
pmids=3D"8839553">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial to assess the efficacy of surgery in addition to =
radiotherapy=20
  in patients with a single cerebral metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Cancer. 1996 Oct 1; =
78(7):1470-6.</EM></P><SPAN=20
  class=3Dpub>[Cancer. 1996]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid585078 rid=3D"__pid585078" =
pmids=3D"2405271">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial of surgery in the treatment of single metastases to =
the=20
  brain.</A>
  <P class=3Ddesc><EM class=3Dcit>N Engl J Med. 1990 Feb 22;=20
  322(8):494-500.</EM></P><SPAN class=3Dpub>[N Engl J Med. =
1990]</SPAN></LI></UL><A=20
class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid585118 rid=3D"__pid585118"=20
pmids=3D"8839553 8498838 2405271">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial to assess the efficacy of surgery in addition to =
radiotherapy=20
  in patients with a single cerebral metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Cancer. 1996 Oct 1; =
78(7):1470-6.</EM></P><SPAN=20
  class=3Dpub>[Cancer. 1996]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Treatment=20
  of single brain metastasis: radiotherapy alone or combined with=20
  neurosurgery?</A>
  <P class=3Ddesc><EM class=3Dcit>Ann Neurol. 1993 Jun; =
33(6):583-90.</EM></P><SPAN=20
  class=3Dpub>[Ann Neurol. 1993]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial of surgery in the treatment of single metastases to =
the=20
  brain.</A>
  <P class=3Ddesc><EM class=3Dcit>N Engl J Med. 1990 Feb 22;=20
  322(8):494-500.</EM></P><SPAN class=3Dpub>[N Engl J Med. =
1990]</SPAN></LI></UL><A=20
class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553,8498838,2405271/?repor=
t=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid585208 rid=3D"__pid585208"=20
pmids=3D"2405271 8498838 8839553">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial of surgery in the treatment of single metastases to =
the=20
  brain.</A>
  <P class=3Ddesc><EM class=3Dcit>N Engl J Med. 1990 Feb 22;=20
  322(8):494-500.</EM></P><SPAN class=3Dpub>[N Engl J Med. =
1990]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Treatment=20
  of single brain metastasis: radiotherapy alone or combined with=20
  neurosurgery?</A>
  <P class=3Ddesc><EM class=3Dcit>Ann Neurol. 1993 Jun; =
33(6):583-90.</EM></P><SPAN=20
  class=3Dpub>[Ann Neurol. 1993]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial to assess the efficacy of surgery in addition to =
radiotherapy=20
  in patients with a single cerebral metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Cancer. 1996 Oct 1; =
78(7):1470-6.</EM></P><SPAN=20
  class=3Dpub>[Cancer. 1996]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271,8498838,8839553/?repor=
t=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid585299 rid=3D"__pid585299" =
pmids=3D"8839553">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial to assess the efficacy of surgery in addition to =
radiotherapy=20
  in patients with a single cerebral metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Cancer. 1996 Oct 1; =
78(7):1470-6.</EM></P><SPAN=20
  class=3Dpub>[Cancer. 1996]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid585338 rid=3D"__pid585338"=20
pmids=3D"2405271 8839553 8498838">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial of surgery in the treatment of single metastases to =
the=20
  brain.</A>
  <P class=3Ddesc><EM class=3Dcit>N Engl J Med. 1990 Feb 22;=20
  322(8):494-500.</EM></P><SPAN class=3Dpub>[N Engl J Med. =
1990]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial to assess the efficacy of surgery in addition to =
radiotherapy=20
  in patients with a single cerebral metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Cancer. 1996 Oct 1; =
78(7):1470-6.</EM></P><SPAN=20
  class=3Dpub>[Cancer. 1996]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Treatment=20
  of single brain metastasis: radiotherapy alone or combined with=20
  neurosurgery?</A>
  <P class=3Ddesc><EM class=3Dcit>Ann Neurol. 1993 Jun; =
33(6):583-90.</EM></P><SPAN=20
  class=3Dpub>[Ann Neurol. 1993]</SPAN></LI></UL><A class=3Dall-articles =

href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271,8839553,8498838/?repor=
t=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid585418 rid=3D"__pid585418" =
pmids=3D"8498838">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Treatment=20
  of single brain metastasis: radiotherapy alone or combined with=20
  neurosurgery?</A>
  <P class=3Ddesc><EM class=3Dcit>Ann Neurol. 1993 Jun; =
33(6):583-90.</EM></P><SPAN=20
  class=3Dpub>[Ann Neurol. 1993]</SPAN></LI></UL><A class=3Dall-articles =

href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid585475 rid=3D"__pid585475"=20
pmids=3D"2405271 8839553 8498838 9809728">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial of surgery in the treatment of single metastases to =
the=20
  brain.</A>
  <P class=3Ddesc><EM class=3Dcit>N Engl J Med. 1990 Feb 22;=20
  322(8):494-500.</EM></P><SPAN class=3Dpub>[N Engl J Med. =
1990]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial to assess the efficacy of surgery in addition to =
radiotherapy=20
  in patients with a single cerebral metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Cancer. 1996 Oct 1; =
78(7):1470-6.</EM></P><SPAN=20
  class=3Dpub>[Cancer. 1996]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Treatment=20
  of single brain metastasis: radiotherapy alone or combined with=20
  neurosurgery?</A>
  <P class=3Ddesc><EM class=3Dcit>Ann Neurol. 1993 Jun; =
33(6):583-90.</EM></P><SPAN=20
  class=3Dpub>[Ann Neurol. 1993]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/9809728"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Postoperative=20
  radiotherapy in the treatment of single metastases to the brain: a =
randomized=20
  trial.</A>
  <P class=3Ddesc><EM class=3Dcit>JAMA. 1998 Nov 4; =
280(17):1485-9.</EM></P><SPAN=20
  class=3Dpub>[JAMA. 1998]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271,8839553,8498838,980972=
8/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid585564 rid=3D"__pid585564" =
pmids=3D"9809728">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/9809728"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Postoperative=20
  radiotherapy in the treatment of single metastases to the brain: a =
randomized=20
  trial.</A>
  <P class=3Ddesc><EM class=3Dcit>JAMA. 1998 Nov 4; =
280(17):1485-9.</EM></P><SPAN=20
  class=3Dpub>[JAMA. 1998]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/9809728/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid585607 rid=3D"__pid585607" =
pmids=3D"15158627">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/15158627"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Whole=20
  brain radiation therapy with or without stereotactic radiosurgery =
boost for=20
  patients with one to three brain metastases: phase III results of the =
RTOG=20
  9508 randomised trial.</A>
  <P class=3Ddesc><EM class=3Dcit>Lancet. 2004 May 22;=20
  363(9422):1665-72.</EM></P><SPAN class=3Dpub>[Lancet. =
2004]</SPAN></LI></UL><A=20
class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/15158627/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid585708 rid=3D"__pid585708"=20
pmids=3D"10389878 10949435 12654423">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/10389878"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Surgery=20
  and radiotherapy compared with gamma knife radiosurgery in the =
treatment of=20
  solitary cerebral metastases of small diameter.</A>
  <P class=3Ddesc><EM class=3Dcit>J Neurosurg. 1999 Jul; =
91(1):35-43.</EM></P><SPAN=20
  class=3Dpub>[J Neurosurg. 1999]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/10949435"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Defining=20
  the role of stereotactic radiosurgery versus microsurgery in the =
treatment of=20
  single brain metastases.</A>
  <P class=3Ddesc><EM class=3Dcit>Acta Neurochir (Wien). 2000;=20
  142(6):621-6.</EM></P><SPAN class=3Dpub>[Acta Neurochir (Wien).=20
2000]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/12654423"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record"><SPAN=20
  class=3Dflag>Review</SPAN>A comparison of surgical resection and =
stereotactic=20
  radiosurgery in the treatment of solitary brain metastases.</A>
  <P class=3Ddesc><EM class=3Dcit>Int J Radiat Oncol Biol Phys. 2003 Apr =
1;=20
  55(5):1169-76.</EM></P><SPAN class=3Dpub>[Int J Radiat Oncol Biol =
Phys.=20
  2003]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/10389878,10949435,12654423/?re=
port=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid585748 rid=3D"__pid585748" =
pmids=3D"10389878">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/10389878"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Surgery=20
  and radiotherapy compared with gamma knife radiosurgery in the =
treatment of=20
  solitary cerebral metastases of small diameter.</A>
  <P class=3Ddesc><EM class=3Dcit>J Neurosurg. 1999 Jul; =
91(1):35-43.</EM></P><SPAN=20
  class=3Dpub>[J Neurosurg. 1999]</SPAN></LI></UL><A =
class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/10389878/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid585804 rid=3D"__pid585804" =
pmids=3D"10949435">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/10949435"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Defining=20
  the role of stereotactic radiosurgery versus microsurgery in the =
treatment of=20
  single brain metastases.</A>
  <P class=3Ddesc><EM class=3Dcit>Acta Neurochir (Wien). 2000;=20
  142(6):621-6.</EM></P><SPAN class=3Dpub>[Acta Neurochir (Wien).=20
2000]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/10949435/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid585834 rid=3D"__pid585834" =
pmids=3D"12654423">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/12654423"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record"><SPAN=20
  class=3Dflag>Review</SPAN>A comparison of surgical resection and =
stereotactic=20
  radiosurgery in the treatment of solitary brain metastases.</A>
  <P class=3Ddesc><EM class=3Dcit>Int J Radiat Oncol Biol Phys. 2003 Apr =
1;=20
  55(5):1169-76.</EM></P><SPAN class=3Dpub>[Int J Radiat Oncol Biol =
Phys.=20
  2003]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/12654423/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid585888 rid=3D"__pid585888" =
pmids=3D"12062592">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/12062592"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  multi-institutional review of radiosurgery alone vs. radiosurgery with =
whole=20
  brain radiotherapy as the initial management of brain metastases.</A>
  <P class=3Ddesc><EM class=3Dcit>Int J Radiat Oncol Biol Phys. 2002 Jul =
1;=20
  53(3):519-26.</EM></P><SPAN class=3Dpub>[Int J Radiat Oncol Biol Phys. =

  2002]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/12062592/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid585978 rid=3D"__pid585978" =
pmids=3D"8138431">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8138431"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  multi-institutional experience with stereotactic radiosurgery for =
solitary=20
  brain metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Int J Radiat Oncol Biol Phys. 1994 Mar =
1;=20
  28(4):797-802.</EM></P><SPAN class=3Dpub>[Int J Radiat Oncol Biol =
Phys.=20
  1994]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8138431/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid586022 rid=3D"__pid586022"=20
pmids=3D"7666461 8641923 1646195 8839553">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/7666461"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Stereotactic=20
  radiosurgery for the definitive, noninvasive treatment of brain=20
metastases.</A>
  <P class=3Ddesc><EM class=3Dcit>J Natl Cancer Inst. 1995 Jan 4;=20
  87(1):34-40.</EM></P><SPAN class=3Dpub>[J Natl Cancer Inst. =
1995]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8641923"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  multiinstitutional outcome and prognostic factor analysis of =
radiosurgery for=20
  resectable single brain metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Int J Radiat Oncol Biol Phys. 1996 Apr =
1;=20
  35(1):27-35.</EM></P><SPAN class=3Dpub>[Int J Radiat Oncol Biol Phys.=20
  1996]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/1646195"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Radiosurgery=20
  for solitary brain metastases using the cobalt-60 gamma unit: methods =
and=20
  results in 24 patients.</A>
  <P class=3Ddesc><EM class=3Dcit>Int J Radiat Oncol Biol Phys. 1991 =
Jun;=20
  20(6):1287-95.</EM></P><SPAN class=3Dpub>[Int J Radiat Oncol Biol =
Phys.=20
  1991]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial to assess the efficacy of surgery in addition to =
radiotherapy=20
  in patients with a single cerebral metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Cancer. 1996 Oct 1; =
78(7):1470-6.</EM></P><SPAN=20
  class=3Dpub>[Cancer. 1996]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/7666461,8641923,1646195,883955=
3/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid586112 rid=3D"__pid586112"=20
pmids=3D"7666461 1646195">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/7666461"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Stereotactic=20
  radiosurgery for the definitive, noninvasive treatment of brain=20
metastases.</A>
  <P class=3Ddesc><EM class=3Dcit>J Natl Cancer Inst. 1995 Jan 4;=20
  87(1):34-40.</EM></P><SPAN class=3Dpub>[J Natl Cancer Inst. =
1995]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/1646195"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Radiosurgery=20
  for solitary brain metastases using the cobalt-60 gamma unit: methods =
and=20
  results in 24 patients.</A>
  <P class=3Ddesc><EM class=3Dcit>Int J Radiat Oncol Biol Phys. 1991 =
Jun;=20
  20(6):1287-95.</EM></P><SPAN class=3Dpub>[Int J Radiat Oncol Biol =
Phys.=20
  1991]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/7666461,1646195/?report=3Dsumm=
ary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid586160 rid=3D"__pid586160" =
pmids=3D"12699548">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/12699548"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Radiosurgery=20
  followed by planned observation in patients with one to three brain=20
  metastases.</A>
  <P class=3Ddesc><EM class=3Dcit>Neurosurgery. 2003 May; 52(5):1066-73; =
discussion=20
  1073-4.</EM></P><SPAN class=3Dpub>[Neurosurgery. =
2003]</SPAN></LI></UL><A=20
class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/12699548/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid586230 rid=3D"__pid586230"=20
pmids=3D"8839553 4592596 2405271">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial to assess the efficacy of surgery in addition to =
radiotherapy=20
  in patients with a single cerebral metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Cancer. 1996 Oct 1; =
78(7):1470-6.</EM></P><SPAN=20
  class=3Dpub>[Cancer. 1996]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/4592596"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Planning=20
  the size and duration of a clinical trial studying the time to some =
critical=20
  event.</A>
  <P class=3Ddesc><EM class=3Dcit>J Chronic Dis. 1974 Feb;=20
  27(1):15-24.</EM></P><SPAN class=3Dpub>[J Chronic Dis. =
1974]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial of surgery in the treatment of single metastases to =
the=20
  brain.</A>
  <P class=3Ddesc><EM class=3Dcit>N Engl J Med. 1990 Feb 22;=20
  322(8):494-500.</EM></P><SPAN class=3Dpub>[N Engl J Med. =
1990]</SPAN></LI></UL><A=20
class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553,4592596,2405271/?repor=
t=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid586313 rid=3D"__pid586313" =
pmids=3D"2405271">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial of surgery in the treatment of single metastases to =
the=20
  brain.</A>
  <P class=3Ddesc><EM class=3Dcit>N Engl J Med. 1990 Feb 22;=20
  322(8):494-500.</EM></P><SPAN class=3Dpub>[N Engl J Med. =
1990]</SPAN></LI></UL><A=20
class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid586333 rid=3D"__pid586333"=20
pmids=3D"2359423 8839553">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2359423"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Surgery=20
  for single brain metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>N Engl J Med. 1990 Jul 12;=20
  323(2):132-3.</EM></P><SPAN class=3Dpub>[N Engl J Med. =
1990]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial to assess the efficacy of surgery in addition to =
radiotherapy=20
  in patients with a single cerebral metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Cancer. 1996 Oct 1; =
78(7):1470-6.</EM></P><SPAN=20
  class=3Dpub>[Cancer. 1996]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2359423,8839553/?report=3Dsumm=
ary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid586363 rid=3D"__pid586363"=20
pmids=3D"2405271 8498838 8839553">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial of surgery in the treatment of single metastases to =
the=20
  brain.</A>
  <P class=3Ddesc><EM class=3Dcit>N Engl J Med. 1990 Feb 22;=20
  322(8):494-500.</EM></P><SPAN class=3Dpub>[N Engl J Med. =
1990]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Treatment=20
  of single brain metastasis: radiotherapy alone or combined with=20
  neurosurgery?</A>
  <P class=3Ddesc><EM class=3Dcit>Ann Neurol. 1993 Jun; =
33(6):583-90.</EM></P><SPAN=20
  class=3Dpub>[Ann Neurol. 1993]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial to assess the efficacy of surgery in addition to =
radiotherapy=20
  in patients with a single cerebral metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Cancer. 1996 Oct 1; =
78(7):1470-6.</EM></P><SPAN=20
  class=3Dpub>[Cancer. 1996]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271,8498838,8839553/?repor=
t=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid586420 rid=3D"__pid586420"=20
pmids=3D"8839553 8498838 2405271">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial to assess the efficacy of surgery in addition to =
radiotherapy=20
  in patients with a single cerebral metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Cancer. 1996 Oct 1; =
78(7):1470-6.</EM></P><SPAN=20
  class=3Dpub>[Cancer. 1996]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Treatment=20
  of single brain metastasis: radiotherapy alone or combined with=20
  neurosurgery?</A>
  <P class=3Ddesc><EM class=3Dcit>Ann Neurol. 1993 Jun; =
33(6):583-90.</EM></P><SPAN=20
  class=3Dpub>[Ann Neurol. 1993]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial of surgery in the treatment of single metastases to =
the=20
  brain.</A>
  <P class=3Ddesc><EM class=3Dcit>N Engl J Med. 1990 Feb 22;=20
  322(8):494-500.</EM></P><SPAN class=3Dpub>[N Engl J Med. =
1990]</SPAN></LI></UL><A=20
class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553,8498838,2405271/?repor=
t=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid586506 rid=3D"__pid586506"=20
pmids=3D"8839553 2405271 8498838">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial to assess the efficacy of surgery in addition to =
radiotherapy=20
  in patients with a single cerebral metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Cancer. 1996 Oct 1; =
78(7):1470-6.</EM></P><SPAN=20
  class=3Dpub>[Cancer. 1996]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial of surgery in the treatment of single metastases to =
the=20
  brain.</A>
  <P class=3Ddesc><EM class=3Dcit>N Engl J Med. 1990 Feb 22;=20
  322(8):494-500.</EM></P><SPAN class=3Dpub>[N Engl J Med. =
1990]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Treatment=20
  of single brain metastasis: radiotherapy alone or combined with=20
  neurosurgery?</A>
  <P class=3Ddesc><EM class=3Dcit>Ann Neurol. 1993 Jun; =
33(6):583-90.</EM></P><SPAN=20
  class=3Dpub>[Ann Neurol. 1993]</SPAN></LI></UL><A class=3Dall-articles =

href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8839553,2405271,8498838/?repor=
t=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid586609 rid=3D"__pid586609"=20
pmids=3D"2405271 8498838">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  randomized trial of surgery in the treatment of single metastases to =
the=20
  brain.</A>
  <P class=3Ddesc><EM class=3Dcit>N Engl J Med. 1990 Feb 22;=20
  322(8):494-500.</EM></P><SPAN class=3Dpub>[N Engl J Med. =
1990]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8498838"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Treatment=20
  of single brain metastasis: radiotherapy alone or combined with=20
  neurosurgery?</A>
  <P class=3Ddesc><EM class=3Dcit>Ann Neurol. 1993 Jun; =
33(6):583-90.</EM></P><SPAN=20
  class=3Dpub>[Ann Neurol. 1993]</SPAN></LI></UL><A class=3Dall-articles =

href=3D"http://www.ncbi.nlm.nih.gov/pubmed/2405271,8498838/?report=3Dsumm=
ary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid586669 rid=3D"__pid586669" =
pmids=3D"9809728">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/9809728"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Postoperative=20
  radiotherapy in the treatment of single metastases to the brain: a =
randomized=20
  trial.</A>
  <P class=3Ddesc><EM class=3Dcit>JAMA. 1998 Nov 4; =
280(17):1485-9.</EM></P><SPAN=20
  class=3Dpub>[JAMA. 1998]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/9809728/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid586694 rid=3D"__pid586694" =
pmids=3D"9809728">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/9809728"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Postoperative=20
  radiotherapy in the treatment of single metastases to the brain: a =
randomized=20
  trial.</A>
  <P class=3Ddesc><EM class=3Dcit>JAMA. 1998 Nov 4; =
280(17):1485-9.</EM></P><SPAN=20
  class=3Dpub>[JAMA. 1998]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/9809728/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid586730 rid=3D"__pid586730" =
pmids=3D"15158627">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/15158627"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Whole=20
  brain radiation therapy with or without stereotactic radiosurgery =
boost for=20
  patients with one to three brain metastases: phase III results of the =
RTOG=20
  9508 randomised trial.</A>
  <P class=3Ddesc><EM class=3Dcit>Lancet. 2004 May 22;=20
  363(9422):1665-72.</EM></P><SPAN class=3Dpub>[Lancet. =
2004]</SPAN></LI></UL><A=20
class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/15158627/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid586768 rid=3D"__pid586768"=20
pmids=3D"10389878 10949435 12654423">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/10389878"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Surgery=20
  and radiotherapy compared with gamma knife radiosurgery in the =
treatment of=20
  solitary cerebral metastases of small diameter.</A>
  <P class=3Ddesc><EM class=3Dcit>J Neurosurg. 1999 Jul; =
91(1):35-43.</EM></P><SPAN=20
  class=3Dpub>[J Neurosurg. 1999]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/10949435"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Defining=20
  the role of stereotactic radiosurgery versus microsurgery in the =
treatment of=20
  single brain metastases.</A>
  <P class=3Ddesc><EM class=3Dcit>Acta Neurochir (Wien). 2000;=20
  142(6):621-6.</EM></P><SPAN class=3Dpub>[Acta Neurochir (Wien).=20
2000]</SPAN></LI>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/12654423"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record"><SPAN=20
  class=3Dflag>Review</SPAN>A comparison of surgical resection and =
stereotactic=20
  radiosurgery in the treatment of solitary brain metastases.</A>
  <P class=3Ddesc><EM class=3Dcit>Int J Radiat Oncol Biol Phys. 2003 Apr =
1;=20
  55(5):1169-76.</EM></P><SPAN class=3Dpub>[Int J Radiat Oncol Biol =
Phys.=20
  2003]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/10389878,10949435,12654423/?re=
port=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid586835 rid=3D"__pid586835" =
pmids=3D"8123451">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8123451"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record"><SPAN=20
  class=3Dflag>Review</SPAN>Stereotactic radiosurgery for intracranial=20
  malignancies.</A>
  <P class=3Ddesc><EM class=3Dcit>Oncology (Williston Park). 1994 Jan; =
8(1):81-6;=20
  discussion 86, 94, 97-8.</EM></P><SPAN class=3Dpub>[Oncology =
(Williston Park).=20
  1994]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8123451/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid586932 rid=3D"__pid586932" =
pmids=3D"16757720">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/16757720"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Stereotactic=20
  radiosurgery plus whole-brain radiation therapy vs stereotactic =
radiosurgery=20
  alone for treatment of brain metastases: a randomized controlled =
trial.</A>
  <P class=3Ddesc><EM class=3Dcit>JAMA. 2006 Jun 7; =
295(21):2483-91.</EM></P><SPAN=20
  class=3Dpub>[JAMA. 2006]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/16757720/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid587242 rid=3D"__pid587242" =
pmids=3D"16757720">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/16757720"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Stereotactic=20
  radiosurgery plus whole-brain radiation therapy vs stereotactic =
radiosurgery=20
  alone for treatment of brain metastases: a randomized controlled =
trial.</A>
  <P class=3Ddesc><EM class=3Dcit>JAMA. 2006 Jun 7; =
295(21):2483-91.</EM></P><SPAN=20
  class=3Dpub>[JAMA. 2006]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/16757720/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid587277 rid=3D"__pid587277" =
pmids=3D"8641923">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8641923"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  multiinstitutional outcome and prognostic factor analysis of =
radiosurgery for=20
  resectable single brain metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Int J Radiat Oncol Biol Phys. 1996 Apr =
1;=20
  35(1):27-35.</EM></P><SPAN class=3Dpub>[Int J Radiat Oncol Biol Phys.=20
  1996]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8641923/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid587341 rid=3D"__pid587341" =
pmids=3D"16757720">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/16757720"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">Stereotactic=20
  radiosurgery plus whole-brain radiation therapy vs stereotactic =
radiosurgery=20
  alone for treatment of brain metastases: a randomized controlled =
trial.</A>
  <P class=3Ddesc><EM class=3Dcit>JAMA. 2006 Jun 7; =
295(21):2483-91.</EM></P><SPAN=20
  class=3Dpub>[JAMA. 2006]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/16757720/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV>
<DIV class=3Dcited-ref id=3Dcite-__pid587369 rid=3D"__pid587369" =
pmids=3D"8641923">
<UL>
  <LI class=3Dovfl><A class=3D"pl popnode"=20
  href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8641923"=20
  =
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">A=20
  multiinstitutional outcome and prognostic factor analysis of =
radiosurgery for=20
  resectable single brain metastasis.</A>
  <P class=3Ddesc><EM class=3Dcit>Int J Radiat Oncol Biol Phys. 1996 Apr =
1;=20
  35(1):27-35.</EM></P><SPAN class=3Dpub>[Int J Radiat Oncol Biol Phys.=20
  1996]</SPAN></LI></UL><A class=3Dall-articles=20
href=3D"http://www.ncbi.nlm.nih.gov/pubmed/8641923/?report=3Dsummary"=20
ref=3D"reftype=3Dpubmed&amp;article-id=3D1948870&amp;issue-id=3D147067&am=
p;journal-id=3D481&amp;FROM=3DArticle|CitedRefBlock&amp;TO=3DEntrez|Pubme=
d|Record">See=20
more articles cited in this paragraph</A></DIV></DIV>
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=09
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------=_NextPart_000_0007_01CA6D1D.CD7D4AA0
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=09
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------=_NextPart_000_0007_01CA6D1D.CD7D4AA0
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------=_NextPart_000_0007_01CA6D1D.CD7D4AA0
Content-Type: text/css;
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}
.x-panel-mc {
	BACKGROUND: #f1f1f1
}
.x-panel-mc .x-panel-body {
	BORDER-RIGHT: 0px; BORDER-TOP: 0px; BACKGROUND: none transparent scroll =
repeat 0% 0%; BORDER-LEFT: 0px; BORDER-BOTTOM: 0px
}
.x-panel-ml {
	BACKGROUND-IMAGE: url(../../img/oldentrez/panel/left-right.gif)
}
.x-panel-mr {
	BACKGROUND-IMAGE: url(../../img/oldentrez/panel/left-right.gif)
}
.x-tool {
	BACKGROUND-IMAGE: url(../../img/oldentrez/panel/tool-sprites.gif)
}
.x-panel-ghost {
	BACKGROUND: #e0e0e0
}
.x-panel-ghost UL {
	BORDER-LEFT-COLOR: #b0b0b0; BORDER-BOTTOM-COLOR: #b0b0b0; =
BORDER-TOP-COLOR: #b0b0b0; BORDER-RIGHT-COLOR: #b0b0b0
}
.x-grid-panel .x-panel-mc .x-panel-body {
	BORDER-RIGHT: #d0d0d0 1px solid; BORDER-TOP: #d0d0d0 1px solid; =
BORDER-LEFT: #d0d0d0 1px solid; BORDER-BOTTOM: #d0d0d0 1px solid
}
.x-btn-left {
	BACKGROUND-IMAGE: url(../../img/oldentrez/button/btn-sprite.gif)
}
.x-btn-right {
	BACKGROUND-IMAGE: url(../../img/oldentrez/button/btn-sprite.gif)
}
.x-btn-center {
	BACKGROUND-IMAGE: url(../../img/oldentrez/button/btn-sprite.gif)
}
.x-border-layout-ct {
	BACKGROUND: #f0f0f0
}
.x-accordion-hd {
	BACKGROUND-IMAGE: url(../../img/oldentrez/panel/light-hd.gif)
}
.x-layout-collapsed {
	BORDER-LEFT-COLOR: #e0e0e0; BORDER-BOTTOM-COLOR: #e0e0e0; =
BORDER-TOP-COLOR: #e0e0e0; BACKGROUND-COLOR: #eee; BORDER-RIGHT-COLOR: =
#e0e0e0
}
.x-layout-collapsed-over {
	BACKGROUND-COLOR: #fbfbfb
}
.x-tip .x-tip-top {
	BACKGROUND-IMAGE: url(../../img/oldentrez/qtip/tip-sprite.gif)
}
.x-tip .x-tip-top-left {
	BACKGROUND-IMAGE: url(../../img/oldentrez/qtip/tip-sprite.gif)
}
.x-tip .x-tip-top-right {
	BACKGROUND-IMAGE: url(../../img/oldentrez/qtip/tip-sprite.gif)
}
.x-tip .x-tip-ft {
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}
.x-tip .x-tip-ft-left {
	BACKGROUND-IMAGE: url(../../img/oldentrez/qtip/tip-sprite.gif)
}
.x-tip .x-tip-ft-right {
	BACKGROUND-IMAGE: url(../../img/oldentrez/qtip/tip-sprite.gif)
}
.x-tip .x-tip-bd-left {
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}
.x-tip .x-tip-bd-right {
	BACKGROUND-IMAGE: url(../../img/oldentrez/qtip/tip-sprite.gif)
}
.x-toolbar {
	BORDER-LEFT-COLOR: #d0d0d0; BACKGROUND: =
url(../../img/oldentrez/toolbar/bg.gif) #f0f4f5 repeat-x left top; =
BORDER-BOTTOM-COLOR: #d0d0d0; BORDER-TOP-COLOR: #d0d0d0; =
BORDER-RIGHT-COLOR: #d0d0d0
}
.x-toolbar BUTTON {
	COLOR: #444
}
.x-toolbar .x-btn-menu-arrow-wrap .x-btn-center BUTTON {
	BACKGROUND-IMAGE: url(../../img/oldentrez/toolbar/btn-arrow.gif)
}
.x-toolbar .x-btn-text-icon .x-btn-menu-arrow-wrap .x-btn-center BUTTON =
{
	BACKGROUND-IMAGE: url(../../img/oldentrez/toolbar/btn-arrow.gif)
}
.x-toolbar .x-btn-over .x-btn-left {
	BACKGROUND-IMAGE: url(../../img/oldentrez/toolbar/tb-btn-sprite.gif)
}
.x-toolbar .x-btn-over .x-btn-right {
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}
.x-toolbar .x-btn-over .x-btn-center {
	BACKGROUND-IMAGE: url(../../img/oldentrez/toolbar/tb-btn-sprite.gif)
}
.x-toolbar .x-btn-over BUTTON {
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}
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	BACKGROUND-IMAGE: url(../../img/oldentrez/toolbar/tb-btn-sprite.gif)
}
.x-toolbar .x-btn-pressed .x-btn-left {
	BACKGROUND-IMAGE: url(../../img/oldentrez/toolbar/tb-btn-sprite.gif)
}
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	BACKGROUND-IMAGE: url(../../img/oldentrez/toolbar/tb-btn-sprite.gif)
}
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	BACKGROUND-IMAGE: url(../../img/oldentrez/toolbar/tb-btn-sprite.gif)
}
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	BACKGROUND-IMAGE: url(../../img/oldentrez/toolbar/tb-btn-sprite.gif)
}
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}
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}
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}
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}
.x-toolbar .ytb-sep {
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}
.x-tab-panel-header {
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}
.x-tab-panel-footer {
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}
.x-tab-panel-header {
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}
.x-tab-panel-footer {
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}
UL.x-tab-strip-top {
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}
UL.x-tab-strip-bottom {
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}
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}
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}
.x-tab-strip-active SPAN.x-tab-strip-text {
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}
.x-tab-strip-disabled .x-tabs-text {
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}
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}
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	BACKGROUND-IMAGE: url(../../img/oldentrez/tabs/tabs-sprite.gif)
}
.x-tab-strip-top .x-tab-strip-inner {
	BACKGROUND-IMAGE: url(../../img/oldentrez/tabs/tabs-sprite.gif)
}
.x-tab-strip-bottom .x-tab-right {
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}
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}
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}
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}
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}
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}
.x-tab-panel-body {
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}
.x-tab-panel-bbar .x-toolbar {
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}
.x-tab-panel-tbar .x-toolbar {
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}
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}
.x-tab-scroller-left {
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.x-tab-scroller-right {
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.x-window-proxy {
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}
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}
.x-tab-panel-bbar-noborder .x-toolbar {
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}
.x-panel-header {
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------=_NextPart_000_0007_01CA6D1D.CD7D4AA0
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}
.x-unselectable {
	-moz-user-select: none; -khtml-user-select: none
}
.x-unselectable * {
	-moz-user-select: none; -khtml-user-select: none
}
.x-panel {
	BORDER-RIGHT: #99bbe8 0px solid; BORDER-TOP: #99bbe8 0px solid; =
BORDER-LEFT: #99bbe8 0px solid; BORDER-BOTTOM: #99bbe8 0px solid
}
.x-panel-header {
	BORDER-RIGHT: #99bbe8 1px solid; PADDING-RIGHT: 3px; BORDER-TOP: =
#99bbe8 1px solid; PADDING-LEFT: 5px; BACKGROUND: =
url(/core/extjs/ext-2.1/resources/images/default/panel/white-top-bottom.g=
if) repeat-x 0px -1px; PADDING-BOTTOM: 4px; FONT: bold 11px/15px =
tahoma,arial,verdana,sans-serif; OVERFLOW: hidden; BORDER-LEFT: #99bbe8 =
1px solid; COLOR: #15428b; PADDING-TOP: 5px; BORDER-BOTTOM: #99bbe8 1px =
solid; ZOOM: 1
}
.x-panel-body {
	BORDER-RIGHT: #99bbe8 1px solid; BORDER-TOP: #99bbe8 0px; BACKGROUND: =
white; OVERFLOW: hidden; BORDER-LEFT: #99bbe8 1px solid; BORDER-BOTTOM: =
#99bbe8 1px solid; POSITION: relative
}
.x-panel-bbar .x-toolbar {
	BORDER-RIGHT: #99bbe8 1px solid; PADDING-RIGHT: 2px; BORDER-TOP: =
#99bbe8 0px; PADDING-LEFT: 2px; PADDING-BOTTOM: 2px; OVERFLOW: hidden; =
BORDER-LEFT: #99bbe8 1px solid; PADDING-TOP: 2px; BORDER-BOTTOM: #99bbe8 =
1px solid
}
.x-panel-tbar .x-toolbar {
	BORDER-RIGHT: #99bbe8 1px solid; PADDING-RIGHT: 2px; BORDER-TOP: =
#99bbe8 0px; PADDING-LEFT: 2px; PADDING-BOTTOM: 2px; OVERFLOW: hidden; =
BORDER-LEFT: #99bbe8 1px solid; PADDING-TOP: 2px; BORDER-BOTTOM: #99bbe8 =
1px solid
}
.x-panel-tbar-noheader .x-toolbar {
	BORDER-TOP: #99bbe8 1px solid; BORDER-BOTTOM: 0px
}
.x-panel-mc .x-panel-tbar .x-toolbar {
	BORDER-TOP: #99bbe8 1px solid; BORDER-BOTTOM: 0px
}
.x-panel-body-noheader {
	BORDER-TOP: #99bbe8 1px solid
}
.x-panel-mc .x-panel-body {
	BORDER-TOP: #99bbe8 1px solid
}
.x-panel-header {
	OVERFLOW: hidden; ZOOM: 1
}
.x-panel-tl .x-panel-header {
	BORDER-RIGHT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: 0px; PADDING-LEFT: =
0px; BACKGROUND: none transparent scroll repeat 0% 0%; PADDING-BOTTOM: =
4px; FONT: bold 11px tahoma,arial,verdana,sans-serif; BORDER-LEFT: 0px; =
COLOR: #15428b; PADDING-TOP: 5px; BORDER-BOTTOM: 0px
}
.x-panel-tl .x-panel-icon {
	BACKGROUND-POSITION: 0px 4px; PADDING-LEFT: 20px! important; =
BACKGROUND-REPEAT: no-repeat; ZOOM: 1
}
.x-window-tl .x-panel-icon {
	BACKGROUND-POSITION: 0px 4px; PADDING-LEFT: 20px! important; =
BACKGROUND-REPEAT: no-repeat; ZOOM: 1
}
.x-panel-inline-icon {
	BACKGROUND-POSITION: 0px 0px; MARGIN-TOP: -1px; MARGIN-BOTTOM: -1px; =
VERTICAL-ALIGN: middle; WIDTH: 16px; MARGIN-RIGHT: 4px; =
BACKGROUND-REPEAT: no-repeat; HEIGHT: 16px
}
.x-panel-tc {
	BACKGROUND: =
url(/core/extjs/ext-2.1/resources/images/default/panel/top-bottom.gif) =
repeat-x 0px 0px; OVERFLOW: hidden
}
.ext-strict .ext-ie7 .x-panel-tc {
	OVERFLOW: visible
}
.x-panel-tl {
	PADDING-LEFT: 6px; BACKGROUND: =
url(/core/extjs/ext-2.1/resources/images/default/panel/corners-sprite.gif=
) no-repeat 0px 0px; BORDER-BOTTOM: #99bbe8 1px solid; ZOOM: 1
}
.x-panel-tr {
	PADDING-RIGHT: 6px; BACKGROUND: =
url(/core/extjs/ext-2.1/resources/images/default/panel/corners-sprite.gif=
) no-repeat right 0px; ZOOM: 1
}
.x-panel-bc {
	BACKGROUND: =
url(/core/extjs/ext-2.1/resources/images/default/panel/top-bottom.gif) =
repeat-x 0px bottom; ZOOM: 1
}
.x-panel-bc .x-panel-footer {
	ZOOM: 1
}
.x-panel-bl {
	PADDING-LEFT: 6px; BACKGROUND: =
url(/core/extjs/ext-2.1/resources/images/default/panel/corners-sprite.gif=
) no-repeat 0px bottom; ZOOM: 1
}
.x-panel-br {
	PADDING-RIGHT: 6px; BACKGROUND: =
url(/core/extjs/ext-2.1/resources/images/default/panel/corners-sprite.gif=
) no-repeat right bottom; ZOOM: 1
}
.x-panel-mc {
	BORDER-RIGHT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: 0px; PADDING-LEFT: =
0px; BACKGROUND: #dfe8f6; PADDING-BOTTOM: 0px; MARGIN: 0px; FONT: 11px =
tahoma,arial,helvetica,sans-serif; BORDER-LEFT: 0px; PADDING-TOP: 6px; =
BORDER-BOTTOM: 0px
}
.x-panel-mc .x-panel-body {
	BORDER-RIGHT: 0px; BORDER-TOP: 0px; BACKGROUND: none transparent scroll =
repeat 0% 0%; BORDER-LEFT: 0px; BORDER-BOTTOM: 0px
}
.x-panel-ml {
	PADDING-LEFT: 6px; BACKGROUND: =
url(/core/extjs/ext-2.1/resources/images/default/panel/left-right.gif) =
#fff repeat-y 0px 0px; ZOOM: 1
}
.x-panel-mr {
	PADDING-RIGHT: 6px; BACKGROUND: =
url(/core/extjs/ext-2.1/resources/images/default/panel/left-right.gif) =
repeat-y right 0px; ZOOM: 1
}
.x-panel-bc .x-panel-footer {
	PADDING-BOTTOM: 6px
}
.x-panel-nofooter .x-panel-bc {
	FONT-SIZE: 0px; LINE-HEIGHT: 0; HEIGHT: 6px
}
.x-panel-nofooter .x-window-bc {
	FONT-SIZE: 0px; LINE-HEIGHT: 0; HEIGHT: 6px
}
.x-panel-bwrap {
	OVERFLOW: hidden; ZOOM: 1
}
.x-panel-body {
	OVERFLOW: hidden; ZOOM: 1
}
.x-panel-collapsed .x-resizable-handle {
	DISPLAY: none
}
.ext-gecko .x-panel-animated DIV {
	OVERFLOW: hidden! important
}
.x-plain-body {
	OVERFLOW: hidden
}
.x-plain-bbar .x-toolbar {
	PADDING-RIGHT: 2px; PADDING-LEFT: 2px; PADDING-BOTTOM: 2px; OVERFLOW: =
hidden; PADDING-TOP: 2px
}
.x-plain-tbar .x-toolbar {
	PADDING-RIGHT: 2px; PADDING-LEFT: 2px; PADDING-BOTTOM: 2px; OVERFLOW: =
hidden; PADDING-TOP: 2px
}
.x-plain-bwrap {
	OVERFLOW: hidden; ZOOM: 1
}
.x-plain {
	OVERFLOW: hidden
}
.x-tool {
	BACKGROUND: =
url(/core/extjs/ext-2.1/resources/images/default/panel/tool-sprites.gif) =
no-repeat; FLOAT: right; MARGIN-LEFT: 2px; OVERFLOW: hidden; WIDTH: =
15px; CURSOR: pointer; HEIGHT: 15px
}
.x-tool-toggle {
	BACKGROUND-POSITION: 0px -60px
}
.x-tool-toggle-over {
	BACKGROUND-POSITION: -15px -60px
}
.x-panel-collapsed .x-tool-toggle {
	BACKGROUND-POSITION: 0px -75px
}
.x-panel-collapsed .x-tool-toggle-over {
	BACKGROUND-POSITION: -15px -75px
}
.x-tool-close {
	BACKGROUND-POSITION: 0px 0px
}
.x-tool-close-over {
	BACKGROUND-POSITION: -15px 0px
}
.x-tool-minimize {
	BACKGROUND-POSITION: 0px -15px
}
.x-tool-minimize-over {
	BACKGROUND-POSITION: -15px 50%
}
.x-tool-maximize {
	BACKGROUND-POSITION: 0px -30px
}
.x-tool-maximize-over {
	BACKGROUND-POSITION: -15px -30px
}
.x-tool-restore {
	BACKGROUND-POSITION: 0px -45px
}
.x-tool-restore-over {
	BACKGROUND-POSITION: -15px -45px
}
.x-tool-gear {
	BACKGROUND-POSITION: 0px -90px
}
.x-tool-gear-over {
	BACKGROUND-POSITION: -15px -90px
}
.x-tool-pin {
	BACKGROUND-POSITION: 0px -135px
}
.x-tool-pin-over {
	BACKGROUND-POSITION: -15px -135px
}
.x-tool-unpin {
	BACKGROUND-POSITION: 0px -150px
}
.x-tool-unpin-over {
	BACKGROUND-POSITION: -15px -150px
}
.x-tool-right {
	BACKGROUND-POSITION: 0px -165px
}
.x-tool-right-over {
	BACKGROUND-POSITION: -15px -165px
}
.x-tool-left {
	BACKGROUND-POSITION: 0px -180px
}
.x-tool-left-over {
	BACKGROUND-POSITION: -15px -180px
}
.x-tool-up {
	BACKGROUND-POSITION: 0px -210px
}
.x-tool-up-over {
	BACKGROUND-POSITION: -15px -210px
}
.x-tool-down {
	BACKGROUND-POSITION: 0px -195px
}
.x-tool-down-over {
	BACKGROUND-POSITION: -15px -195px
}
.x-tool-refresh {
	BACKGROUND-POSITION: 0px -225px
}
.x-tool-refresh-over {
	BACKGROUND-POSITION: -15px -225px
}
.x-tool-minus {
	BACKGROUND-POSITION: 0px -255px
}
.x-tool-minus-over {
	BACKGROUND-POSITION: -15px -255px
}
.x-tool-plus {
	BACKGROUND-POSITION: 0px -240px
}
.x-tool-plus-over {
	BACKGROUND-POSITION: -15px -240px
}
.x-tool-search {
	BACKGROUND-POSITION: 0px -270px
}
.x-tool-search-over {
	BACKGROUND-POSITION: -15px -270px
}
.x-tool-save {
	BACKGROUND-POSITION: 0px -285px
}
.x-tool-save-over {
	BACKGROUND-POSITION: -15px -285px
}
.x-tool-help {
	BACKGROUND-POSITION: 0px -300px
}
.x-tool-help-over {
	BACKGROUND-POSITION: -15px -300px
}
.x-tool-print {
	BACKGROUND-POSITION: 0px -315px
}
.x-tool-print-over {
	BACKGROUND-POSITION: -15px -315px
}
.x-panel-ghost {
	Z-INDEX: 12000; BACKGROUND: #cbddf3; FILTER: alpha(opacity=3D65); LEFT: =
0px; OVERFLOW: hidden; POSITION: absolute; TOP: 0px; opacity: .65; =
-moz-opacity: .65
}
.x-panel-ghost UL {
	BORDER-RIGHT: #99bbe8 1px solid; PADDING-RIGHT: 0px; BORDER-TOP: =
#99bbe8 0px; DISPLAY: block; PADDING-LEFT: 0px; FONT-SIZE: 0px; =
PADDING-BOTTOM: 0px; MARGIN: 0px; OVERFLOW: hidden; BORDER-LEFT: #99bbe8 =
1px solid; LINE-HEIGHT: 0; PADDING-TOP: 0px; BORDER-BOTTOM: #99bbe8 1px =
solid
}
.x-panel-ghost * {
	CURSOR: move! important
}
.x-panel-dd-spacer {
	BORDER-RIGHT: #99bbe8 2px dashed; BORDER-TOP: #99bbe8 2px dashed; =
BORDER-LEFT: #99bbe8 2px dashed; BORDER-BOTTOM: #99bbe8 2px dashed
}
.x-panel-btns-ct {
	PADDING-RIGHT: 5px; PADDING-LEFT: 5px; PADDING-BOTTOM: 5px; =
PADDING-TOP: 5px
}
.x-panel-btns-ct .x-btn {
	CLEAR: none; FLOAT: right
}
.x-panel-btns-ct .x-panel-btns TD {
	BORDER-TOP-WIDTH: 0px; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; =
BORDER-LEFT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; PADDING-BOTTOM: 0px; =
PADDING-TOP: 0px; BORDER-RIGHT-WIDTH: 0px
}
.x-panel-btns-ct .x-panel-btns-right TABLE {
	CLEAR: none; FLOAT: right
}
.x-panel-btns-ct .x-panel-btns-left TABLE {
	CLEAR: none; FLOAT: left
}
.x-panel-btns-ct .x-panel-btns-center {
	TEXT-ALIGN: center
}
.x-panel-btns-ct .x-panel-btns-center TABLE {
	MARGIN: 0px auto
}
.x-panel-btns-ct TABLE TD.x-panel-btn-td {
	PADDING-RIGHT: 3px; PADDING-LEFT: 3px; PADDING-BOTTOM: 3px; =
PADDING-TOP: 3px
}
.x-panel-btns-ct .x-btn-focus .x-btn-left {
	BACKGROUND-POSITION: 0px -147px
}
.x-panel-btns-ct .x-btn-focus .x-btn-right {
	BACKGROUND-POSITION: 0px -168px
}
.x-panel-btns-ct .x-btn-focus .x-btn-center {
	BACKGROUND-POSITION: 0px -189px
}
.x-panel-btns-ct .x-btn-over .x-btn-left {
	BACKGROUND-POSITION: 0px -63px
}
.x-panel-btns-ct .x-btn-over .x-btn-right {
	BACKGROUND-POSITION: 0px -84px
}
.x-panel-btns-ct .x-btn-over .x-btn-center {
	BACKGROUND-POSITION: 0px -105px
}
.x-panel-btns-ct .x-btn-click .x-btn-center {
	BACKGROUND-POSITION: 0px -126px
}
.x-panel-btns-ct .x-btn-click .x-btn-right {
	BACKGROUND-POSITION: 0px -84px
}
.x-panel-btns-ct .x-btn-click .x-btn-left {
	BACKGROUND-POSITION: 0px -63px
}
.x-btn-menu-wrap {
	WIDTH: 0px! important
}
.x-menu {
	BACKGROUND: #f0f0f0 0px 0px
}
.x-menu-list-item IMG {
	DISPLAY: none
}
.x-menu-list-item A.x-menu-item {
	PADDING-LEFT: 8px
}
.port H1.x-panel-header-text {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; FONT-SIZE: 100%; PADDING-BOTTOM: =
0px; MARGIN: 0px; PADDING-TOP: 0px
}
.port H2.x-panel-header-text {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; FONT-SIZE: 100%; PADDING-BOTTOM: =
0px; MARGIN: 0px; PADDING-TOP: 0px
}
.port H3.x-panel-header-text {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; FONT-SIZE: 100%; PADDING-BOTTOM: =
0px; MARGIN: 0px; PADDING-TOP: 0px
}
.port H4.x-panel-header-text {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; FONT-SIZE: 100%; PADDING-BOTTOM: =
0px; MARGIN: 0px; PADDING-TOP: 0px
}
.port H5.x-panel-header-text {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; FONT-SIZE: 100%; PADDING-BOTTOM: =
0px; MARGIN: 0px; PADDING-TOP: 0px
}
.port H6.x-panel-header-text {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; FONT-SIZE: 100%; PADDING-BOTTOM: =
0px; MARGIN: 0px; PADDING-TOP: 0px
}
DIV.x-panel-body {
	PADDING-RIGHT: 5px; PADDING-LEFT: 5px; PADDING-BOTTOM: 5px; =
PADDING-TOP: 5px
}
.port .x-panel-header {
	PADDING-RIGHT: 3px; PADDING-LEFT: 5px; PADDING-BOTTOM: 4px; =
PADDING-TOP: 5px
}
.x-panel {
	BORDER-LEFT-COLOR: #d0d0d0; BORDER-BOTTOM-COLOR: #d0d0d0; =
BORDER-TOP-STYLE: solid; BORDER-TOP-COLOR: #d0d0d0; BORDER-RIGHT-STYLE: =
solid; BORDER-LEFT-STYLE: solid; BORDER-RIGHT-COLOR: #d0d0d0; =
BORDER-BOTTOM-STYLE: solid
}
.x-panel-header {
	BORDER-RIGHT: #d0d0d0 1px solid; BORDER-TOP: #d0d0d0 1px solid; =
BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/panel/white-top-bottom.gif); =
BORDER-LEFT: #d0d0d0 1px solid; COLOR: #333; BORDER-BOTTOM: #d0d0d0 1px =
solid
}
.x-panel-body {
	BORDER-LEFT-COLOR: #d0d0d0; BORDER-BOTTOM-COLOR: #d0d0d0; =
BORDER-TOP-COLOR: #d0d0d0; BORDER-RIGHT-COLOR: #d0d0d0
}
.x-panel-bbar .x-toolbar {
	BORDER-LEFT-COLOR: #d0d0d0; BORDER-BOTTOM-COLOR: #d0d0d0; =
BORDER-TOP-COLOR: #d0d0d0; BORDER-RIGHT-COLOR: #d0d0d0
}
.x-panel-tbar .x-toolbar {
	BORDER-LEFT-COLOR: #d0d0d0; BORDER-BOTTOM-COLOR: #d0d0d0; =
BORDER-TOP-COLOR: #d0d0d0; BORDER-RIGHT-COLOR: #d0d0d0
}
.x-panel-tbar-noheader .x-toolbar {
	BORDER-LEFT-COLOR: #d0d0d0; BORDER-BOTTOM-COLOR: #d0d0d0; =
BORDER-TOP-COLOR: #d0d0d0; BORDER-RIGHT-COLOR: #d0d0d0
}
.x-panel-mc .x-panel-tbar .x-toolbar {
	BORDER-LEFT-COLOR: #d0d0d0; BORDER-BOTTOM-COLOR: #d0d0d0; =
BORDER-TOP-COLOR: #d0d0d0; BORDER-RIGHT-COLOR: #d0d0d0
}
.x-panel-body-noheader {
	BORDER-LEFT-COLOR: #d0d0d0; BORDER-BOTTOM-COLOR: #d0d0d0; =
BORDER-TOP-COLOR: #d0d0d0; BORDER-RIGHT-COLOR: #d0d0d0
}
.x-panel-mc .x-panel-body {
	BORDER-LEFT-COLOR: #d0d0d0; BORDER-BOTTOM-COLOR: #d0d0d0; =
BORDER-TOP-COLOR: #d0d0d0; BORDER-RIGHT-COLOR: #d0d0d0
}
.x-panel-tl .x-panel-header {
	COLOR: #333
}
.x-panel-tc {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/panel/top-bottom.gif)
}
.x-panel-tl {
	BORDER-LEFT-COLOR: #d0d0d0; BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/panel/corners-sprite.gif); =
BORDER-BOTTOM-COLOR: #d0d0d0; BORDER-TOP-COLOR: #d0d0d0; =
BORDER-RIGHT-COLOR: #d0d0d0
}
.x-panel-tr {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/panel/corners-sprite.gif)
}
.x-panel-bc {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/panel/top-bottom.gif)
}
.x-panel-bl {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/panel/corners-sprite.gif)
}
.x-panel-br {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/panel/corners-sprite.gif)
}
.x-panel-mc {
	BACKGROUND: #f1f1f1
}
.x-panel-mc .x-panel-body {
	BORDER-RIGHT: 0px; BORDER-TOP: 0px; BACKGROUND: none transparent scroll =
repeat 0% 0%; BORDER-LEFT: 0px; BORDER-BOTTOM: 0px
}
.x-panel-ml {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/panel/left-right.gif)
}
.x-panel-mr {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/panel/left-right.gif)
}
.x-tool {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/panel/tool-sprites.gif)
}
.x-panel-ghost {
	BACKGROUND: #e0e0e0
}
.x-panel-ghost UL {
	BORDER-LEFT-COLOR: #b0b0b0; BORDER-BOTTOM-COLOR: #b0b0b0; =
BORDER-TOP-COLOR: #b0b0b0; BORDER-RIGHT-COLOR: #b0b0b0
}
.x-grid-panel .x-panel-mc .x-panel-body {
	BORDER-RIGHT: #d0d0d0 1px solid; BORDER-TOP: #d0d0d0 1px solid; =
BORDER-LEFT: #d0d0d0 1px solid; BORDER-BOTTOM: #d0d0d0 1px solid
}
.x-btn-left {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/button/btn-sprite.gif)
}
.x-btn-right {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/button/btn-sprite.gif)
}
.x-btn-center {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/button/btn-sprite.gif)
}
.x-border-layout-ct {
	BACKGROUND: #f0f0f0
}
.x-accordion-hd {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/panel/light-hd.gif)
}
.x-layout-collapsed {
	BORDER-LEFT-COLOR: #e0e0e0; BORDER-BOTTOM-COLOR: #e0e0e0; =
BORDER-TOP-COLOR: #e0e0e0; BACKGROUND-COLOR: #eee; BORDER-RIGHT-COLOR: =
#e0e0e0
}
.x-layout-collapsed-over {
	BACKGROUND-COLOR: #fbfbfb
}
.x-tip .x-tip-top {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/qtip/tip-sprite.gif)
}
.x-tip .x-tip-top-left {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/qtip/tip-sprite.gif)
}
.x-tip .x-tip-top-right {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/qtip/tip-sprite.gif)
}
.x-tip .x-tip-ft {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/qtip/tip-sprite.gif)
}
.x-tip .x-tip-ft-left {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/qtip/tip-sprite.gif)
}
.x-tip .x-tip-ft-right {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/qtip/tip-sprite.gif)
}
.x-tip .x-tip-bd-left {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/qtip/tip-sprite.gif)
}
.x-tip .x-tip-bd-right {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/qtip/tip-sprite.gif)
}
.x-toolbar {
	BORDER-LEFT-COLOR: #d0d0d0; BACKGROUND: =
url(/core/ext.ncbi/1/img/oldentrez/toolbar/bg.gif) #f0f4f5 repeat-x left =
top; BORDER-BOTTOM-COLOR: #d0d0d0; BORDER-TOP-COLOR: #d0d0d0; =
BORDER-RIGHT-COLOR: #d0d0d0
}
.x-toolbar BUTTON {
	COLOR: #444
}
.x-toolbar .x-btn-menu-arrow-wrap .x-btn-center BUTTON {
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/toolbar/btn-arrow.gif)
}
.x-toolbar .x-btn-text-icon .x-btn-menu-arrow-wrap .x-btn-center BUTTON =
{
	BACKGROUND-IMAGE: =
url(/core/ext.ncbi/1/img/oldentrez/toolbar/btn-arrow.gif)
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------=_NextPart_000_0007_01CA6D1D.CD7D4AA0
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Content-Transfer-Encoding: quoted-printable
Content-Location: http://www.ncbi.nlm.nih.gov/corehtml/pmc/js/jquery.hoverIntent.min.js

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'x0e589':'j',=0A=
'x0e58a':'k',=0A=
'x0e58b':'l',=0A=
'x0e58c':'m',=0A=
'x0e58d':'n',=0A=
'x0e58e':'o',=0A=
'x0e58f':'p',=0A=
'x0e590':'q',=0A=
'x0e591':'r',=0A=
'x0e592':'s',=0A=
'x0e593':'t',=0A=
'x0e594':'u',=0A=
'x0e595':'v',=0A=
'x0e596':'w',=0A=
'x0e597':'x',=0A=
'x0e598':'y',=0A=
'x0e599':'z',=0A=
'x0ea00':'1',=0A=
'x0ea01':'1',=0A=
'x0ea02':'2',=0A=
'x0ea03':'2',=0A=
'x0ea04':'3',=0A=
'x0ea05':'3',=0A=
'x0ea06':'4',=0A=
'x0ea07':'a',=0A=
'x0ea08':'a',=0A=
'x0ea09':'A',=0A=
'x0ea0a':'a',=0A=
'x0ea0b':'A',=0A=
'x0ea0c':'AB',=0A=
'x0ea10':'b',=0A=
'x0ea11':'B',=0A=
'x0ea12':'b',=0A=
'x0ea13':'B',=0A=
'x0ea14':'B',=0A=
'x0ea15':'B',=0A=
'x0ea16':'BC',=0A=
'x0ea19':'c',=0A=
'x0ea1a':'c',=0A=
'x0ea1b':'c',=0A=
'x0ea1c':'C',=0A=
'x0ea1d':'c',=0A=
'x0ea1e':'c',=0A=
'x0ea1f':'c',=0A=
'x0ea20':'c',=0A=
'x0ea21':'c',=0A=
'x0ea25':'d',=0A=
'x0ea26':'D',=0A=
'x0ea27':'d',=0A=
'x0ea28':'D',=0A=
'x0ea29':'d',=0A=
'x0ea2a':'D',=0A=
'x0ea2b':'D',=0A=
'x0ea2f':'dl',=0A=
'x0ea30':'e',=0A=
'x0ea31':'e',=0A=
'x0ea32':'l',=0A=
'x0ea33':'l',=0A=
'x0ea34':'f',=0A=
'x0ea35':'f',=0A=
'x0ea36':'F',=0A=
'x0ea37':'f',=0A=
'x0ea38':'F',=0A=
'x0ea39':'f',=0A=
'x0ea3a':'F',=0A=
'x0ea3d':'g',=0A=
'x0ea3e':'g',=0A=
'x0ea3f':'G',=0A=
'x0ea40':'g',=0A=
'x0ea41':'G',=0A=
'x0ea46':'H',=0A=
'x0ea47':'h',=0A=
'x0ea48':'h',=0A=
'x0ea49':'i',=0A=
'x0ea4a':'I',=0A=
'x0ea4b':'j',=0A=
'x0ea4c':'J',=0A=
'x0ea4d':'J',=0A=
'x0ea4e':'J',=0A=
'x0ea4f':'k',=0A=
'x0ea50':'k',=0A=
'x0ea51':'k',=0A=
'x0ea52':'K',=0A=
'x0ea53':'K',=0A=
'x0ea54':'k',=0A=
'x0ea55':'l',=0A=
'x0ea56':'L',=0A=
'x0ea57':'l',=0A=
'x0ea5b':'lnV',=0A=
'x0ea5c':'m',=0A=
'x0ea5d':'M',=0A=
'x0ea5e':'m',=0A=
'x0ea5f':'m',=0A=
'x0ea63':'n',=0A=
'x0ea64':'n',=0A=
'x0ea65':'N',=0A=
'x0ea66':'n',=0A=
'x0ea67':'N',=0A=
'x0ea68':'n',=0A=
'x0ea69':'n',=0A=
'x0ea6a':'N',=0A=
'x0ea6d':'nv',=0A=
'x0ea6e':'O',=0A=
'x0ea6f':'O',=0A=
'x0ea70':'O',=0A=
'x0ea72':'F',=0A=
'x0ea73':'p',=0A=
'x0ea74':'P',=0A=
'x0ea75':'p',=0A=
'x0ea76':'P',=0A=
'x0ea77':'p',=0A=
'x0ea78':'P',=0A=
'x0ea79':'p',=0A=
'x0ea7a':'P',=0A=
'x0ea8d':'q',=0A=
'x0ea8e':'Q',=0A=
'x0ea8f':'q',=0A=
'x0ea90':'q',=0A=
'x0ea91':'Q',=0A=
'x0ea92':'q',=0A=
'x0ea93':'Q',=0A=
'x0ea94':'q',=0A=
'x0ea95':'q',=0A=
'x0ea96':'q',=0A=
'x0ea97':'Q',=0A=
'x0ea98':'r',=0A=
'x0ea99':'R',=0A=
'x0ea9a':'R',=0A=
'x0ea9b':'r',=0A=
'x0ea9c':'R',=0A=
'x0ea9d':'R',=0A=
'x0ea9e':'r',=0A=
'x0ea9f':'R',=0A=
'x0eaa0':'r',=0A=
'x0eaa1':'ri',=0A=
'x0eaa2':'R',=0A=
'x0eaa3':'r',=0A=
'x0eaa4':'r1',=0A=
'x0eaa5':'RE',=0A=
'x0eaa9':'ri',=0A=
'x0eaaa':'rj',=0A=
'x0eaab':'rN',=0A=
'x0eaac':'s',=0A=
'x0eaad':'S',=0A=
'x0eaae':'S',=0A=
'x0eaaf':'s',=0A=
'x0eab0':'S',=0A=
'x0eab1':'s',=0A=
'x0eab2':'S',=0A=
'x0eab3':'S',=0A=
'x0eab4':'B',=0A=
'x0eab5':'E',=0A=
'x0eab6':'G',=0A=
'x0eab7':'P',=0A=
'x0eab8':'Q',=0A=
'x0eab9':'t',=0A=
'x0eaba':'T',=0A=
'x0eabb':'T',=0A=
'x0eabc':'t',=0A=
'x0eabd':'T',=0A=
'x0eabe':'t',=0A=
'x0eabf':'T',=0A=
'x0eac5':'TT',=0A=
'x0eac6':'u',=0A=
'x0eac7':'u',=0A=
'x0eac8':'U',=0A=
'x0eac9':'u',=0A=
'x0eaca':'u',=0A=
'x0eacc':'V',=0A=
'x0eacd':'v',=0A=
'x0eace':'v',=0A=
'x0eacf':'V',=0A=
'x0ead0':'v',=0A=
'x0ead1':'V',=0A=
'x0ead2':'v',=0A=
'x0ead3':'v',=0A=
'x0ead4':'V',=0A=
'x0ead5':'v',=0A=
'x0eadc':'w',=0A=
'x0eadd':'w',=0A=
'x0eade':'w',=0A=
'x0eadf':'x',=0A=
'x0eae0':'X',=0A=
'x0eae1':'x',=0A=
'x0eae2':'X',=0A=
'x0eae3':'x',=0A=
'x0eae4':'x',=0A=
'x0eae5':'X',=0A=
'x0eae6':'x',=0A=
'x0eae8':'y',=0A=
'x0eae9':'Y',=0A=
'x0eaea':'y',=0A=
'x0eaeb':'Y',=0A=
'x0eaec':'y',=0A=
'x0eaed':'y',=0A=
'x0eaee':'z',=0A=
'x0eaef':'Z',=0A=
'x0eaf0':'z',=0A=
'x0eaf1':'z',=0A=
'x0eaf2':'Z',=0A=
'x0eaf3':'z',=0A=
'x0eaf4':'z',=0A=
'x0eafc':'B',=0A=
'x0eaff':'A',=0A=
'x0eb04':'w',=0A=
'x0eb05':'m',=0A=
'x0eb06':'M',=0A=
'x0eb07':'E',=0A=
'x0eb08':'W',=0A=
'x0eb0a':'h',=0A=
'x0eb0b':'n',=0A=
'x0eb0d':'H',=0A=
'x0eb0f':'M',=0A=
'x0eb10':'m',=0A=
'x0eb11':'Z',=0A=
'x0eb12':'g',=0A=
'x0eb14':'C',=0A=
'x0eb15':'E',=0A=
'x0eb19':'W',=0A=
'x0eb1a':'a',=0A=
'x0eb1b':'b',=0A=
'x0eb1c':'S',=0A=
'x0eb1e':'J',=0A=
'x0eb1f':'b',=0A=
'x0eb20':'Z',=0A=
'x0eb21':'L',=0A=
'x0eb22':'g',=0A=
'x0fb00':'ffi',=0A=
'x0fb01':'fi',=0A=
'x0fb02':'fl',=0A=
'x0fb03':'ffi',=0A=
'x0fb04':'ffl'=0A=
    }=0A=
=0A=
// Called from many places to handle links.=0A=
// Params:=0A=
//     link:         URL. 'this' to reuse same window, else ""=0A=
//     windowname:   Reference name for window=0A=
//     additional:   Attributes for window.open, from:=0A=
//        width, height, resizable, scrollbars, toolbar, location, =
directories,=0A=
//        status, menubar, copyhistory.=0A=
// Notes: Book version always provides menubar, toolbar, etc.=0A=
//=0A=
function startTargetBook(link,windowname,width,height,additional)=0A=
{=0A=
    startTarget(link,windowname,width,height,additional)=0A=
}=0A=
=0A=
=0A=
//=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=0A=
function startTarget(link,windowname,width,height, additional)=0A=
{=0A=
=0A=
    if(! window.focus)=0A=
        return;=0A=
=0A=
    var sizestring =3D ",width=3D" + width + ",height=3D" + height;=0A=
	var opt =3D =
"menubar=3Dno,toolbar=3Dno,status=3Dno,scrollbars=3Dyes,resizable=3Dyes,d=
ependent=3Dyes,location=3Dno";=0A=
    var allOptions =3D opt + sizestring;=0A=
    if (additional) { allOptions =3D allOptions + ',' + additional; }=0A=
=0A=
    windowname =3D String(windowname).replace(/-/g, "_")=0A=
    var moveToXDefault =3D 75=0A=
    var moveToYDefault =3D 50=0A=
=0A=
    var moveToX =3D moveToXDefault=0A=
    var moveToY =3D moveToYDefault=0A=
    var yAdj =3D 50=0A=
    var yAdjDelta =3D 25=0A=
=0A=
    var barNames =3D ['menubar', 'toolbar', 'statusbar']=0A=
    for (var idx in barNames)=0A=
    {=0A=
	if (String(allOptions).lastIndexOf(barNames[idx] + '=3Dyes') >=0A=
	    String(allOptions).lastIndexOf(barNames[idx] + '=3Dno'))=0A=
		yAdj +=3D yAdjDelta=0A=
    }=0A=
=0A=
    try {=0A=
        if (window.screen.width && width > 0)=0A=
            moveToX =3D Math.ceil((window.screen.width - width)) - 15=0A=
        moveToX =3D (moveToX > 0 ? moveToX : moveToXDefault)=0A=
=0A=
        if (window.screen.height && height > 0)=0A=
            moveToY =3D Math.ceil((window.screen.height - height)) - yAdj=0A=
        moveToY =3D (moveToY > 0 ? moveToY : moveToYDefault)=0A=
    }=0A=
    catch (e) {}=0A=
=0A=
    var wLeftTopCornerOptions =3D ',left=3D' + moveToX + ',top=3D' + =
moveToY + ',screenX=3D' + moveToX + ',screenY=3D' + moveToY=0A=
=0A=
    allOptions =3D allOptions + wLeftTopCornerOptions=0A=
=0A=
    w =3D window.open (link, windowname, allOptions)=0A=
    w.focus()=0A=
=0A=
    link.target=3Dwindowname=0A=
=0A=
    return false;=0A=
}=0A=
=0A=
=0A=
//=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=0A=
function focuswin(windowname)=0A=
{=0A=
    windowname =3D String(windowname).replace(/-/g, "_")=0A=
    w =3D =
window.open("",windowname,"menubar=3Dyes,scrollbars=3Dyes,toolbar=3Dyes,l=
ocation=3Dyes,status=3Dyes,directories=3Dyes,resizable=3Dyes");=0A=
    w.focus();=0A=
=0A=
    return true;=0A=
}=0A=
=0A=
=0A=
//=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=0A=
function reverseString (inStr)=0A=
{=0A=
    var outStr =3D ''=0A=
=0A=
    for (i =3D0; i <=3D inStr.length; i++)=0A=
    {=0A=
	outStr =3D inStr.charAt(i) + outStr=0A=
    }=0A=
=0A=
    return outStr=0A=
}=0A=
=0A=
=0A=
//=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=0A=
function reverseAndReplaceString (inStr, findStr, newStr)=0A=
{=0A=
    return reverseString(inStr).replace(findStr, newStr)=0A=
}=0A=
=0A=
//=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=0A=
function initUnObscureEmail (className, innerHTML)=0A=
{=0A=
=0A=
    try{=0A=
        if (window.addEventListener)=0A=
            window.addEventListener('load', function() {unObscureEmail =
(className, innerHTML)}, false)=0A=
        else if (window.attachEvent)=0A=
            window.attachEvent('onload', function() {unObscureEmail =
(className, innerHTML)})=0A=
    }catch(e){=0A=
    }=0A=
}=0A=
=0A=
//=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=0A=
function unObscureEmail (className, innerHTML)=0A=
{=0A=
    try {=0A=
        if (typeof(unObscuredEmails) =3D=3D 'undefined')=0A=
            unObscuredEmails =3D new Array()=0A=
=0A=
        if (! unObscuredEmails[className])=0A=
        {=0A=
=0A=
            var elmnts =3D document.getElementsByTagName("span")=0A=
            for (var i =3D 0, len =3D elmnts.length; i < len; i++)=0A=
            {=0A=
                if (elmnts.item(i).className.indexOf(className, " ") =
!=3D -1)=0A=
                {=0A=
                    elmnts.item(i).innerHTML     =3D innerHTML;=0A=
                    unObscuredEmails[className]  =3D true=0A=
=0A=
                }=0A=
            }=0A=
        }=0A=
    }=0A=
    catch(e){=0A=
    }=0A=
}=0A=
=0A=
//=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=0A=
function pubMedDbLinkSubmit(control) {=0A=
    try{=0A=
        if (control.pubmedOption)=0A=
            control =3D control.pubmedOption=0A=
        if (control.options)=0A=
            location.href =3D =
control.options[control.options.selectedIndex].value;=0A=
    }=0A=
    catch(e){}=0A=
    return false;=0A=
}=0A=
=0A=
//=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=0A=
// elements "a", "area" with "ref" attribute report to redirect utility =
before dereferencing link=0A=
//=0A=
function initRedirectClicks(report_url) {=0A=
=0A=
    if (report_url && typeof jQuery !=3D 'undefined')=0A=
        jQuery(document).click(function(e) {=0A=
=0A=
            //=0A=
            if (!e) return true;=0A=
            //=0A=
            if (e.shiftKey || e.altKey || e.ctrlKey) return true;=0A=
            //=0A=
            var target =3D jQuery(e.target).closest("a[ref], area[ref]");=0A=
            if (!target || target.length =3D=3D 0) return true;=0A=
            //=0A=
            var ref  =3D target.attr("ref");=0A=
            var href =3D target.attr("href")=0A=
=0A=
            // special processing of href element for pubmed's authors=0A=
            if (typeof (href) !=3D 'undefined' && =
href.indexOf('sites/entrez') && href.indexOf('%5Bauth%5D'))=0A=
            {=0A=
                var newHref =3D replacePubMedUnsupportedChars(href);=0A=
                if (newHref !=3D href)=0A=
                    target.attr("href", newHref)=0A=
            }=0A=
=0A=
            // append ref with value of href if 'redirect-to-url' is =
missing in ref.=0A=
            if (typeof (ref) !=3D 'undefined' && =
ref.indexOf('redirect-to-url') =3D=3D -1)=0A=
            {=0A=
                ref =3D ref + '&redirect-to-url=3D' + =
encodeURIComponent(href)=0A=
                //=0A=
                jQuery.ajax({=0A=
                   type:    "HEAD",=0A=
                   url:     report_url + '?' + ref,=0A=
                   timeout: 1000,=0A=
                   async:   false=0A=
                });=0A=
            }=0A=
=0A=
            return true;=0A=
        });=0A=
};=0A=
=0A=
// function to replace unsupported charachters in author names to be =
searchable in PubMed database.=0A=
function replacePubMedUnsupportedChars (str)=0A=
{=0A=
    // replace low 128 chars automatically=0A=
    str =3D str.replace(/%26%23(x000[0-7][0-9a-f])%3b/ig,=0A=
        function($0, $1){=0A=
            return (String.fromCharCode('0' + $1))=0A=
        }=0A=
    )=0A=
    // replace others based on map and if it is not in the map replace =
with empty string.=0A=
    str =3D =
str.replace(/%26%23(x[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f])%3b/ig,=0A=
        function($0, $1){=0A=
            return (pubmedUnsupportedCharMap[$1] ? =
pubmedUnsupportedCharMap[$1] : '')=0A=
        }=0A=
    )=0A=
    return str;=0A=
}=0A=
//=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=0A=
// Based on script written by Dean Edwards, 2005=0A=
// http://dean.edwards.name/=0A=
=0A=
var pmc_script =3D {=0A=
	addEvent: function(element, type, handler) {=0A=
		// assign each event handler a unique ID=0A=
		if (!handler.$$guid) handler.$$guid =3D this.addEvent_guid++;=0A=
		// create a hash table of event types for the element=0A=
		if (!element.events) element.events =3D {};=0A=
		// create a hash table of event handlers for each element/event pair=0A=
		var handlers =3D element.events[type];=0A=
		if (!handlers) {=0A=
			handlers =3D element.events[type] =3D {};=0A=
			// store the existing event handler (if there is one)=0A=
			if (element["on" + type]) {=0A=
				handlers[0] =3D element["on" + type];=0A=
			}=0A=
		}=0A=
		// store the event handler in the hash table=0A=
		handlers[handler.$$guid] =3D handler;=0A=
		// assign a global event handler to do all the work=0A=
		element["on" + type] =3D handleEvent;=0A=
=0A=
=0A=
		function handleEvent(event) {=0A=
			var returnValue =3D true;=0A=
			// grab the event object (IE uses a global event object)=0A=
			event =3D event || fixEvent(window.event);=0A=
			// get a reference to the hash table of event handlers=0A=
			var handlers =3D this.events[event.type];=0A=
			// execute each event handler=0A=
			for (var i in handlers) {=0A=
				this.$$handleEvent =3D handlers[i];=0A=
				if (this.$$handleEvent(event) =3D=3D=3D false) {=0A=
					returnValue =3D false;=0A=
				}=0A=
			}=0A=
			return returnValue;=0A=
		};=0A=
=0A=
		function fixEvent(event) {=0A=
			// add W3C standard event methods=0A=
			event.preventDefault =3D fixEvent.preventDefault;=0A=
			event.stopPropagation =3D fixEvent.stopPropagation;=0A=
			return event;=0A=
		};=0A=
=0A=
		fixEvent.preventDefault =3D function() {=0A=
			this.returnValue =3D false;=0A=
		};=0A=
=0A=
		fixEvent.stopPropagation =3D function() {=0A=
			this.cancelBubble =3D true;=0A=
		};=0A=
	},=0A=
=0A=
	// a counter used to create unique IDs=0A=
	addEvent_guid: 1,=0A=
=0A=
	removeEvent: function(element, type, handler) {=0A=
		// delete the event handler from the hash table=0A=
		if (element.events && element.events[type]) {=0A=
			delete element.events[type][handler.$$guid];=0A=
		}=0A=
	}=0A=
}=0A=
=0A=
=0A=
// =
*************************************************************************=
***=0A=
//  implementation of figure's popup using jQuery and =
jQuery.fn.hoverIntent lib=0A=
//  it set appropriate handlers for all "a" elements with "figpopup" =
class name.=0A=
// =
*************************************************************************=
***=0A=
if (typeof jQuery !=3D 'undefined' && typeof jQuery.fn.hoverIntent !=3D =
'undefined') {=0A=
    (function($j) {=0A=
        // =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D  hoverHandlers =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=0A=
        var hoverHandlers =3D function  (opts) {=0A=
            this.config =3D {}=0A=
            this.self =3D this;=0A=
            this.__init(opts)=0A=
        }=0A=
=0A=
         $j.fn.extend(hoverHandlers.prototype,  {=0A=
                //=0A=
                __init: function(opts) {=0A=
                    $j.fn.extend(this.config, opts)=0A=
                },=0A=
                //=0A=
                over: function (el) {=0A=
                    var canvas =3D $j('.large-thumb-canvas', el)=0A=
                    var prnt =3D  canvas.parent();=0A=
                    var win =3D $j(window)=0A=
=0A=
                    //=0A=
                    if (canvas && prnt && win)=0A=
                    {=0A=
=0A=
                        // collect necessary coordinates from all =
intresting objects=0A=
                        canvas.coords =3D this._x_coords(canvas, =
'canvas')=0A=
                        prnt.coords   =3D this._x_coords(prnt,   =
'parent')=0A=
                        win.coords    =3D this._x_coords(win,    =
'window')=0A=
=0A=
                        // replace @src with value of @hires, because =
href hold high resolution image and src low one.=0A=
                        $j('img', canvas).attr('src',=0A=
                                function(){=0A=
                                    var hires =3D $j(this).attr("hires");=0A=
                                    return (typeof (hires) !=3D =
'undefined' && hires !=3D this.src)=0A=
                                            ? hires : this.src=0A=
                                }=0A=
                        )=0A=
=0A=
                        // make arrangement of canvas in the view port =
nearby parent element.=0A=
                        var cnvsRltvToPrnt =3D =
this._x_arrange_canvas(canvas.coords, prnt.coords, win.coords)=0A=
=0A=
                        // visualize the canvas with images.=0A=
                        canvas.css('top', cnvsRltvToPrnt.top + 'px')=0A=
                        canvas.css('left', cnvsRltvToPrnt.left + 'px')=0A=
                        canvas.css('display', 'block')=0A=
                    } // canvas=0A=
                }, // over=0A=
                //=0A=
                out: function (el) {=0A=
                    var canvas =3D $j('.large-thumb-canvas', el)=0A=
                    canvas.css('display', 'none')=0A=
                },=0A=
                //=0A=
                _x_offset:                     function(el, elname) {=0A=
                    var c =3D {}=0A=
                    if (el[0] =3D=3D window )=0A=
                        c =3D this._x_scroll(el, elname)=0A=
                    else=0A=
                        c =3D el.offset()=0A=
                    //console.info('%s.offset {top,left} =3D {%s, %s}', =
elname, c.top, c.left)=0A=
                    return c=0A=
                },=0A=
                _x_scroll:                     function(el, elname) {=0A=
                    var c =3D {top: el.scrollTop(), left: =
el.scrollLeft()}=0A=
                    //console.info('%s.scroll {top,left} =3D {%s, %s}', =
elname, c.top, c.left)=0A=
                    return c=0A=
                },=0A=
                _x_width:                     function(el, elname) {=0A=
                    var w =3D el.outerWidth() || el.width()=0A=
                    //console.info('%s.width      =3D %s; outerWidth =3D =
%s; width =3D %s', elname, w, el.outerWidth(), el.width())=0A=
                    //IE: alert(elname + '.width      =3D ' + w + '; =
outerWidth =3D ' + el.outerWidth() + 'width =3D ' + el.width())=0A=
                    return w=0A=
                },=0A=
                _x_height:                     function(el, elname) {=0A=
                    var h =3D el.outerHeight() || el.height()=0A=
                    // console.info('%s.height =3D %s', elname, h)=0A=
                    return h=0A=
                },=0A=
                _x_coords:                    function(el, elname) {=0A=
                    var size =3D { width: this._x_width (el, elname), =
height:  this._x_height(el, elname)}=0A=
                    var coords =3D {=0A=
                            scroll:  this._x_scroll(el, elname),=0A=
                            width:   size.width,=0A=
                            height:  size.height,=0A=
                            offset:  this._x_offset(el, elname),=0A=
                            size:    size=0A=
                        }=0A=
                    return coords=0A=
                },=0A=
                _x_get_rltv_coord:            function(trgtObj, baseObj, =
label) {=0A=
                    var c =3D {top: trgtObj.top - baseObj.top, left: =
trgtObj.left - baseObj.left}=0A=
                    //console.info("%s {top: %s, left: %s}", label, =
c.top, c.left)=0A=
                    return c=0A=
                },=0A=
                //=0A=
                _x_get_empty_space:            function(objCoords, =
objSize, viewPortCoords, viewPortSize, label) {=0A=
                    var objRelToViewPort =3D =
this._x_get_rltv_coord(objCoords, viewPortCoords, '_x_get_empty_space: =
for ' + label);=0A=
                    var c =3D {above: objRelToViewPort.top,=0A=
                             below: viewPortSize.height - =
(objRelToViewPort.top + objSize.height),=0A=
                             left: objRelToViewPort.left,=0A=
                             right: viewPortSize.width - =
(objRelToViewPort.left + objSize.width)}=0A=
                    $j.each(c, function(k, v){c[k] =3D (v < 0 ? 0 : v)})=0A=
                    //console.info("%s {above: %s, below: %s, left: %s, =
right: %s}", label, c.above, c.below, c.left, c.right)=0A=
                    return c=0A=
                },=0A=
                //=0A=
                _x_get_bigest_space_area_name: function(spaces, label) {=0A=
                    var sArr =3D [];=0A=
                    for (k in spaces){ sArr[sArr.length] =3D {k: k, v: =
spaces[k]} }=0A=
                    // sort in reverse order=0A=
                    sArr.sort (function(a,b){return ( a.v < b.v ? 1 : ( =
a.v > b.v ?  - 1 : 0 ) )})=0A=
                    // console.info('%s: %s', label, sArr[0].k)=0A=
                    return sArr[0].k=0A=
                },=0A=
                //=0A=
                _x_get_space_ratios:             function(spaces, =
viewPortSize, label) {=0A=
                    var ratios =3D {above: 0, left: 0}=0A=
                    if (viewPortSize.height > 0)=0A=
                        ratios.above =3D spaces.above / =
viewPortSize.height=0A=
                    if (viewPortSize.width > 0)=0A=
                        ratios.left =3D spaces.left / viewPortSize.width=0A=
                    // console.info('ratio: %s {above: %s, left: %s}', =
label, ratios.above, ratios.left)=0A=
                    return ratios=0A=
                },=0A=
                _x_arrange_canvas:                function(c_c, prnt_c, =
viewp_c) {=0A=
                // then calculate empty space areas around parent =
element of the canvas, which is ususally an anchor ("a" element)=0A=
                    var emptySpacesArndPrntInViewPort =3D =
this._x_get_empty_space (prnt_c.offset, prnt_c.size, viewp_c.offset, =
viewp_c.size, 'emptySpacesArndPrntInWinPort')=0A=
=0A=
                    // get the area name, where the most linear space =
avaiable=0A=
                    var areaName =3D =
this._x_get_bigest_space_area_name(emptySpacesArndPrntInViewPort, =
viewp_c.size, 'spacios areaName')=0A=
=0A=
                    // calculate the proportions of area to be taken by =
canvas in empty space area=0A=
                    // relativly to the parent element.=0A=
                    var ratios =3D =
this._x_get_space_ratios(emptySpacesArndPrntInViewPort, viewp_c.size, =
'ratios')=0A=
=0A=
                    // calculate parent's coordinates relative to view =
port=0A=
                    var prntRltvToViewPort =3D =
this._x_get_rltv_coord(prnt_c.offset, viewp_c.offset, =
'prntRltvToViewPort')=0A=
=0A=
                    // declare canvas relative coordinates=0A=
                    var cnvsRltvToPrnt =3D {top: 0, left: 0}=0A=
=0A=
                    // choose appropriate location for placing canvas.=0A=
                    // and choose the 1st element of an array as the one =
with the biggest area around parent of canvas.=0A=
                    // console.info ('place it at the %s', =
bigestEmptySpaceAreaName)=0A=
                    // calculations are relative to the left corner of =
the parent element of canvas. (it has to have the css property =
position:relative)=0A=
                    switch (areaName)=0A=
                    {=0A=
                        case 'above':=0A=
                            cnvsRltvToPrnt.top  =3D - c_c.height=0A=
                            cnvsRltvToPrnt.left =3D prnt_c.width * 0.5 - =
c_c.width * ratios.left=0A=
                        break;=0A=
                        case 'below':=0A=
                            cnvsRltvToPrnt.top  =3D prnt_c.height=0A=
                            cnvsRltvToPrnt.left =3D prnt_c.width * 0.5 - =
c_c.width * ratios.left=0A=
                        break;=0A=
                        case 'left':=0A=
                            cnvsRltvToPrnt.left =3D - c_c.width=0A=
                            cnvsRltvToPrnt.top  =3D prnt_c.height * 0.5 =
- c_c.height * ratios.above=0A=
                        break;=0A=
                        case 'right':=0A=
                            cnvsRltvToPrnt.left =3D prnt_c.width=0A=
                            cnvsRltvToPrnt.top  =3D prnt_c.height * 0.5 =
- c_c.height * ratios.above=0A=
                        break;=0A=
                    }=0A=
=0A=
                    // recalculate canvas' coordinates relative to =
parent into coordinates relative to view port.=0A=
                    var cnvsRltvToViewPort =3D {=0A=
                        top:  prntRltvToViewPort.top + =
cnvsRltvToPrnt.top,=0A=
                        left: prntRltvToViewPort.left + =
cnvsRltvToPrnt.left=0A=
                    }=0A=
                    //console.info("cnvsRltvToPrnt {top:%s, left: %s}", =
cnvsRltvToPrnt.top, cnvsRltvToPrnt.left)=0A=
                    //console.info("cnvsRltvToViewPort {top:%s, left: =
%s}", cnvsRltvToViewPort.top, cnvsRltvToViewPort.left)=0A=
=0A=
                    // adjust relative position of canvas to the window =
if calculated values=0A=
                    // are forcing canvas go out of view port=0A=
                    // next order should be preserved to keep left top =
corner visible always=0A=
=0A=
                    // adjust right side and move a bit to the left=0A=
                    if (cnvsRltvToViewPort.left + c_c.width > =
viewp_c.width)=0A=
                    {=0A=
                         var horAdj =3D c_c.width - (viewp_c.width - =
cnvsRltvToViewPort.left)=0A=
                         cnvsRltvToPrnt.left     -=3D horAdj=0A=
                         cnvsRltvToViewPort.left -=3D horAdj=0A=
                         //console.log('adjust right side and move to =
the left %spx', horizontalAdjustment)=0A=
                    }=0A=
=0A=
                    // adjust below side and move to the top=0A=
                    if (cnvsRltvToViewPort.top + c_c.height > =
viewp_c.height)=0A=
                    {=0A=
                        var vertAdj =3D c_c.height - (viewp_c.height - =
cnvsRltvToViewPort.top)=0A=
                        cnvsRltvToPrnt.top     -=3D vertAdj=0A=
                        cnvsRltvToViewPort.top -=3D vertAdj=0A=
                        // console.log('adjust below side and move to =
the top %spx', verticalAdjustment)=0A=
                    }=0A=
=0A=
                    // adjust left side and move to the right=0A=
                    if (cnvsRltvToViewPort.left < 0)=0A=
                    {=0A=
                        // console.log('adjust left side and move to the =
right %spx', -(cnvsLeftRelativeToWindowPort))=0A=
                        cnvsRltvToPrnt.left    -=3D =
cnvsRltvToViewPort.left=0A=
                        cnvsRltvToViewPort.left =3D 0=0A=
                    }=0A=
                    // adjust above side and move to the bottom=0A=
                    if (cnvsRltvToViewPort.top < 0)=0A=
                    {=0A=
                        // console.log('adjust above side and move to =
the bottom %spx', -(cnvsTopRelativeToWindowPort))=0A=
                        cnvsRltvToPrnt.top          -=3D =
cnvsRltvToViewPort.top=0A=
                        cnvsRltvToViewPort.top =3D 0=0A=
                    }=0A=
                    // console.info("cnvsRltvToPrnt adjusted {top: %s, =
left: %s}", cnvsRltvToPrnt.top, cnvsRltvToPrnt.left)=0A=
                    // console.info("cnvsRltvToViewPort adjusted {top: =
%s, left: %s}", cnvsRltvToViewPort.top, cnvsRltvToViewPort.left)=0A=
                    return cnvsRltvToPrnt=0A=
                }=0A=
        })=0A=
         // =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D  end of hoverHandlers =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=0A=
=0A=
=0A=
         // =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D  $j.fn.figPopup =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=0A=
        function  hoverOverHandler  () {=0A=
            var h =3D new hoverHandlers();=0A=
            h.over(this)=0A=
        }=0A=
=0A=
        function hoverOutHandler () {=0A=
            var h =3D new hoverHandlers();=0A=
            h.out(this)=0A=
        }=0A=
=0A=
        $j.fn.figPopup =3D function(opts){=0A=
            var config =3D {=0A=
                interval:      500,=0A=
                timeout:       0,=0A=
                over:          hoverOverHandler, // handler onMouseOver=0A=
                out:           hoverOutHandler    // handler  onMouseOut=0A=
            }=0A=
            $j.extend(config, opts)=0A=
            return  config=0A=
        }=0A=
=0A=
        // =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D  end of $j.fn.figPopup =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=0A=
=0A=
    }) (jQuery) // end of extention of jQuery with figPopup=0A=
=0A=
=0A=
=0A=
    jQuery(document).ready( function () {=0A=
        var fp_cfg =3D new jQuery.fn.figPopup()=0A=
        jQuery('a.figpopup').hoverIntent(fp_cfg)=0A=
    });=0A=
}=0A=
=0A=
// end of hoverIntent routines for figures' popups=0A=
// =
*************************************************************************=
***=0A=
//  implementation of ....=0A=
// =
*************************************************************************=
***=0A=

------=_NextPart_000_0007_01CA6D1D.CD7D4AA0
Content-Type: application/octet-stream
Content-Transfer-Encoding: quoted-printable
Content-Location: http://www.ncbi.nlm.nih.gov/corehtml/pmc/js/noext.menu.js

if (typeof(noext) =3D=3D=3D 'undefined') {
   noext =3D {};=20
}

if (typeof jQuery =3D=3D=3D 'undefined') {
    throw new Error('noext.Menu: jQuery must be present');
}

// Constructor
noext.Menu =3D function (n, subMenuStyle) {
    this.n =3D n;
    this.subMenuStyle =3D (subMenuStyle =3D=3D=3D 'ext') ? 'opened-ext' =
: 'opened';
    this.firstLi =3D this.n.children('li');
    this.subMenu =3D this.firstLi.find('ul');
    this.subMenuItems =3D this.subMenu.find('li');
    this.init();
    noext.Menu.menuInstances.push(this);
};
noext.Menu.menuInstances =3D [];

noext.Menu.prototype =3D {
    init: function () { // add events to what we need
        var that =3D this;
        this.subMenuItems.mouseover( this.hover); // do mouseovers for =
ie6
        this.subMenuItems.mouseout( this.unHover);
        this.n.click( function (event) { that.update(event);}); // =
update the menu
       =20
        jQuery(document).click( function (event) { =
that.closeAllSubMenus(event); }); // close other menus when we click one
    },
    update: function (e) {
            var t =3D jQuery(e.target);         =20
            // don't follow link if first item, whose target is '<u>'
            if (t.hasClass('first-link') ) {
                e.preventDefault();
            }

            var sm =3D this.subMenu;
            // close other menus
            this.closeOtherSubMenus(sm);
      =20
            var subMenuStyle =3D this.subMenuStyle;
           =20
            if ( !sm.hasClass(subMenuStyle)) {
                sm.addClass(subMenuStyle);
            } else {
                sm.removeClass(subMenuStyle);
            }
            e.stopPropagation(); // don't let default event occur =
(removeMenus from document.click)

           =20

    },
    hover: function () {
        jQuery(this).addClass('active-item');

    },
    unHover: function () {
        jQuery(this).removeClass('active-item');

    },
    closeOtherSubMenus: function (currentSubMenu) {
        // close all menu's submenus, that are different than currently =
clicked menu's submenu
        var subMenuStyle =3D this.subMenuStyle;
        currentSubMenu =3D this.subMenu;
        var menuInstances =3D noext.Menu.menuInstances;
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sDir;iDelta=3DparseInt(iDelta);if(iDelta<0){sDir=3D" =
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for(var i=3D0;i<iDepth-1;i++)s+=3D"  =
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var =
sHost=3Ddocument.location.protocol+"/"+"/"+document.location.host;var =
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oHead=3Ddocument.getElementsByTagName("head")[0];for(var =
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var oS=3Ddocument.getElementsByTagName("script");var b=3Dtrue;for(var =
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if(b){document.write("<script src=3D'"+sNewSrc+"' =
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function $N(name,node){var =
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debug=3Dfunction(){};debug.prototype=3D{constructor:function(){},enable:f=
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otifier){function =
x_setListener(oListener,sMessage,fFunction,oNotifier){for(var j in =
oThis.oQuee[sMessage]){if(oThis.oQuee[sMessage][j]=3D=3D=3DoListener){ret=
urn false;}}=0A=
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j=3DoThis.oQuee[sMessage].length;oThis.oQuee[sMessage][j++]=3D({obj:oList=
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var oThis=3Dthis;if(utils.isArray(oListener)){for(var i in =
oListener){x_setListener(oListener[i],sMessage,fFunction,oNotifier);}}els=
e{return =
x_setListener(oListener,sMessage,fFunction,oNotifier);}};Notifier.prototy=
pe.Notify=3Dfunction(oNotifier,sMessage,oComment,oListener){var =
sAnyMessage=3D"*";for(var i in =
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fun=3Dthis.oQuee[sAnyMessage][i].fun;fun(this.oQuee[sAnyMessage][i].obj,o=
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this.oQuee[sMessage]){if(null=3D=3DoListener||this.oQuee[sMessage][i].obj=
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stance=3Dfunction(){if(!Notifier.instance){Notifier.instance=3Dnew =
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return =
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e:function(oRules){var oThis=3Dthis;var activenames=3DActiveNames;var =
i,j;var =
rulehash=3D{};activenames=3DActiveNames;this.submitOK=3Dtrue;this.submitR=
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name=3DoRules[i].ename;rulehash[name]=3D(rulehash[name]||[]);rulehash[nam=
e][rulehash[name].length]=3DoRules[i];}=0A=
var =
links=3Ddocument.links;for(i=3D0;i<links.length;i++){initializeControl(li=
nks[i]);}=0A=
for(name in ActiveNames){var ctrl;var =
elems=3Ddocument.getElementsByName(name);for(i=3D0;i<elems.length;i++){in=
itializeControl(elems[i]);}}=0A=
for(var fname in =
this.dataExchangeFunctions){this.setListener(this,fname,this.dataExchange=
Functions[fname],null);}=0A=
function initializeControl(domCtrl){var thisName=3DdomCtrl.name;var =
j,oRule;if(!(thisName&&typeof =
activenames[thisName]!=3D=3D'undefined')){return;}=0A=
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sid")+"]");try{var =
sActionEvent=3DoThis.actionEventName(domCtrl);if(sActionEvent>""){if(rule=
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if(activenames[thisName]){oThis.addRule(oThis,sActionEvent,thisName,oThis=
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oThis.listenForEvents(domCtrl,sActionEvent);}}finally{console&&console.gr=
oupEnd&&console.groupEnd();}};},addRule:function(oThis,sEvent,sName,fFunc=
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i;if(typeof(rules[ename])!=3D'undefined'){for(i=3D0;i<rules[ename].length=
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];}=0A=
rules[ename][rules[ename].length]=3D{'thisptr':oThis,'func':fFunc,'arg':o=
Arg};},getRulesFor:function(sName,sEvent){return =
this._rules[sName+"$"+sEvent];},listenForEvents:function(domCtrl,sEventNa=
me){domCtrl._i_=3D(domCtrl._i_||[]);if(!domCtrl._i_[sEventName]){domCtrl.=
_i_[sEventName]=3D1;utils.addEvent(domCtrl,sEventName,this.handleAction);=
}},doDataExchange:function(eEvent,domTarget,oArg){var =
d=3DDispatcher.getInstance();var rules=3DoArg;if(!rules){return;}=0A=
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k=3D0;k<rules.length;k++){d.notify(domTarget,rules[k].m,rules[k]);}},doSu=
bmitAttribute:function(eEvent,domTarget,oArg){eEvent.preventDefault();eEv=
ent.stopPropagation();console&&console.info("Submitting request because =
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realname=3DdomTarget.getAttributeNode("realname");realname=3Drealname?rea=
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f((typeof(el)!=3D'undefined')&&(el.length>0)){el[0].value=3DdomTarget.get=
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d=3DDispatcher.getInstance();var t=3Dthis;var =
i;if(t.tagName&&t.tagName.toLowerCase()=3D=3D'a'){e.preventDefault();e.st=
opPropagation();}=0A=
var =
realname=3Dthis.getAttributeNode("realname");realname=3Drealname?realname=
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d.submitCheckBegin();try{console&&console.info("Executing rule =
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rules=3Dd.getRulesFor(t.name,e.type);for(i=3D0;rules&&(i<rules.length);i+=
+){var =
rule=3Drules[i];try{rule.func.call(rule.thisptr,e,t,rule.arg);}catch(err)=
{console&&console.error("Dispatcher.handleAction: rule failed: =
"+t.name+"$"+e.type+": =
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case'input':if(ttype=3D=3D'text'){return'change';}}=0A=
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urn;}=0A=
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sname=3DoTree.shortname||oTree.name.substring(1+oTree.name.lastIndexOf(".=
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p("Exception creating portlet =
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roupEnd&&console.groupEnd();}=0A=
console&&console.group&&console.group("Trace")=0A=
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e.groupEnd();console&&console.groupEnd&&console.groupEnd();}=0A=
if(oTree.children){for(var =
i=3D0;i<oTree.children.length;i++){this.initHierarchy(oTree.children[i]);=
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abortCalls){xmlHttpCall.abortCalls();}=0A=
document.forms[0]._submit();}},submitCheck:function(){var =
oThis=3Dthis;var =
thisForm=3Ddocument.forms[0];this.submitOK=3Dtrue;this.vetoWhy=3Dnull;thi=
s.notify(this,"portal$beforesubmit",{form:thisForm},null);return =
this.submitOK;},veto:function(whydata){this.submitOK=3Dfalse;this.vetoWhy=
=3Dwhydata;},isVetoed:function(){return!this.submitOK;},setSubmitSource:f=
unction(sourceName){var =
el=3Ddocument.getElementsByName('p$a');if((typeof(el)!=3D'undefined')&&(e=
l.length>0)){if(typeof(sourceName)=3D=3D'undefined'){console&&console.war=
n("Warning: Can't identify submitter: using =
p$a=3D''");}else{el[0].value=3DsourceName;}}},getSrcDst:function(oRule,oN=
otifierObj){function x_FindObj(name,sid){var oResult=3D[];var =
oControls=3D$N(name);for(var =
i=3D0;i<oControls.length;i++){if("*"=3D=3Dsid||oControls[i].getAttribute(=
"sid")=3D=3Dsid){oResult[oResult.length]=3DoControls[i];}}=0A=
return oResult;}=0A=
var oThis=3Dthis;var name=3DoRule.sname;var =
sid=3DoRule.ssid;if("#"=3D=3Dname){name=3DoRule.ename;}=0A=
if("#"=3D=3Dsid){sid=3DoRule.esid;sid=3DoNotifierObj.getAttribute("sid");=
}=0A=
var =
oSrc=3Dx_FindObj(name,sid);name=3DoRule.dname;sid=3DoRule.dsid;if("#"=3D=3D=
name){name=3DoRule.ename;}=0A=
if("#"=3D=3Dsid){sid=3DoRule.esid;sid=3DoNotifierObj.getAttribute("sid");=
}=0A=
var =
oDst=3Dx_FindObj(name,sid);return{src:oSrc,dst:oDst};},setListener:functi=
on(oListener,sMessage,fFunction,oNotifier){return =
this.oNotifier.setListener(oListener,sMessage,fFunction,oNotifier);},noti=
fy:function(oNotifier,sMessage,oComment,oListener){return =
this.oNotifier.Notify(oNotifier,sMessage,oComment,oListener);},dataExchan=
geFunctions:{CopyValue:function(oListener,oRule,sMessage,oNotifierObj){va=
r dispatcher=3DoListener;var =
oSrcDst=3Ddispatcher.getSrcDst(oRule,oNotifierObj);for(var =
j=3D0;j<oSrcDst.dst.length;j++){for(var =
i=3D0;i<oSrcDst.src.length;i++){oSrcDst.dst[j].value=3DoSrcDst.src[i].val=
ue;}}},AddValue:function(oListener,oRule,sMessage,oNotifierObj){var =
dispatcher=3DoListener;var =
oSrcDst=3Ddispatcher.getSrcDst(oRule,oNotifierObj);for(var =
j=3D0;j<oSrcDst.dst.length;j++){for(var =
i=3D0;i<oSrcDst.src.length;i++){oSrcDst.dst[j].value+=3D(oSrcDst.dst[j].v=
alue>""?", =
":"")+oSrcDst.src[i].value;}}},SetValue:function(oListener,oRule,sMessage=
,oNotifierObj){var dispatcher=3DoListener;var =
oSrcDst=3Ddispatcher.getSrcDst(oRule,oNotifierObj);for(var =
j=3D0;j<oSrcDst.dst.length;j++){var =
dst=3DoSrcDst.dst[j];if(Dispatcher.isCheckable(dst)){dst.checked=3DoRule.=
p[0];}else{dst.value=3DoRule.p[0];}}},ItemToList:function(oListener,oRule=
,sMessage,oNotifierObj){var dispatcher=3DoListener;var =
oSrcDst=3Ddispatcher.getSrcDst(oRule,oNotifierObj);for(var =
j=3D0;j<oSrcDst.dst.length;j++){var dst=3DoSrcDst.dst[j];var =
dstval=3Ddst.value.replace(/^\s+/,"").replace(/\s+$/,"");var =
dstItems=3Ddstval.split(/\s*,\s*/).filter(function(s){return =
s!=3D=3D"";});for(var i=3D0;i<oSrcDst.src.length;i++){var =
src=3DoSrcDst.src[i];var sc=3DDispatcher.isCheckable(src);var =
checked=3D(sc?src.checked:(src.value!=3D=3D""));var =
position=3DdstItems.indexOf(src.value);if(checked&&position<0){dstItems[d=
stItems.length]=3Dsrc.value;}=0A=
if(!checked&&position>=3D0){dstItems.splice(position,1);}}=0A=
dst.value=3DdstItems.join(", =
");}},PropertyToValue:function(oListener,oRule,sMessage,oNotifierObj){var=
 dispatcher=3DoListener;var =
oSrcDst=3Ddispatcher.getSrcDst(oRule,oNotifierObj);for(var =
j=3D0;j<oSrcDst.dst.length;j++){for(var =
i=3D0;i<oSrcDst.src.length;i++){oSrcDst.dst[j].value=3DoSrcDst.src[i].get=
Attribute(oRule.p[0]);}}},PropertyToList:function(oListener,oRule,sMessag=
e,oNotifierObj){var dispatcher=3DoListener;var =
oSrcDst=3Ddispatcher.getSrcDst(oRule,oNotifierObj);for(var =
j=3D0;j<oSrcDst.dst.length;j++){var dst=3DoSrcDst.dst[j];var o=3D{};var =
values=3D[];var propname=3DoRule.p[0];for(var =
i=3D0;i<oSrcDst.src.length;i++){var src=3DoSrcDst.src[i];var =
prop=3Dsrc.getAttribute(propname);if(!prop){continue;}=0A=
var =
sc=3DDispatcher.isCheckable(src);if(sc?src.checked:(prop&&prop!=3D=3D""))=
{if(!o[prop]){values[values.length]=3Dprop;}=0A=
o[prop]=3D1;}}=0A=
dst.value=3Dvalues.join(", =
");}}},requestSubmit:function(src){console&&console.info("Request =
submitted");this.submitter=3Dsrc;this.submitRequested=3Dtrue;},submitChec=
kBegin:function(){if(this.submitChecking){throw"ERRINTERNAL: recursive =
submit check";}=0A=
this.submitChecking=3Dtrue;this.submitter=3Dnull;this.submitRequested=3Df=
alse;},submitCheckEnd:function(){if(this.submitRequested){this.submit();}=0A=
this.submitChecking=3Dfalse;this.submitter=3Dnull;this.submitRequested=3D=
false;}},{_instance:null,getInstance:function(){return =
Dispatcher._instance||(Dispatcher._instance=3Dnew =
Dispatcher());},onload:function(){var sc=3D"Create components";var =
si=3D"Initialize components";var =
d=3DDispatcher.getInstance();console&&console.group&&console.group(sc);co=
nsole&&console.time&&console.time(sc);d.initHierarchy(objHierarchy);conso=
le&&console.timeEnd&&console.timeEnd(sc);console&&console.groupEnd&&conso=
le.groupEnd();console&&console.group&&console.group(si);console&&console.=
time&&console.time(si);d.initDataExchange(ObjectLinks);d.setListener(d,'p=
ortal$vetosubmit',function(dst,data,message,src){d.veto(data);},null);var=
 =
theForm=3Ddocument.forms[0];if(theForm&&!theForm._submit){theForm._submit=
=3DtheForm.submit;theForm.submit=3Dfunction(){Dispatcher.getInstance().re=
questSubmit();};}=0A=
console&&console.timeEnd&&console.timeEnd(si);console&&console.groupEnd&&=
console.groupEnd();},isCheckbox:function(node){var =
t=3Dnode.getAttribute("type");return =
t&&(t.toLowerCase()=3D=3D"checkbox");},isRadio:function(node){var =
t=3Dnode.getAttribute("type");return =
t&&(t.toLowerCase()=3D=3D"radio");},isCheckable:function(node){return =
this.isRadio(node)||this.isCheckbox(node);}});utils.addEvent(window,"load=
",Dispatcher.onload,false);Portal=3DBase.extend({constructor:function(){t=
his.init();},init:function(){}},{_instance:null,getInstance:function(){re=
turn Portal._instance||(Portal._instance=3Dnew =
Portal());},requestSubmit:function(){Dispatcher.getInstance().requestSubm=
it();},$send:function(sMessage,oData,oDst){var =
d=3DDispatcher.getInstance();d.submitCheckBegin();d.notify(null,sMessage,=
oData,oDst);d.submitCheckEnd();}});Portal.Component=3DBase.extend({constr=
uctor:function(path,name,notifier){this.init(path,name,notifier);},init:f=
unction(path,name,notifier){this.name=3Dname;this.path=3Dpath;this.notifi=
er=3Dnotifier;if(this.listen){var msg;var isEvent=3Dnew =
RegExp(/^([^<]+)<([^>]+)>/);var m;var =
d=3DDispatcher.getInstance();for(msg in =
this.listen){m=3DisEvent.exec(msg);if(m){this.addEvent(m[1],m[2],this.lis=
ten[msg],false);}else{this._listen(msg,this.listen[msg],null);}}}=0A=
if(this.send){for(msg in =
this.send){if(this.send[msg]=3D=3Dnull){this.send[msg]=3Dthis.makeSender(=
this,msg);}}}},makeSender:function(sender,msg){return =
function(obj){return =
sender._send(msg,obj,null);};},getValue:function(attr){var =
prop=3Dnull;var ix;if(typeof =
attr=3D=3D=3D"object"){prop=3Dattr.prop;attr=3Dattr.attr;}=0A=
else =
if((ix=3Dattr.indexOf(":"))>=3D0){prop=3Dattr.substring(ix+1);attr=3Dattr=
.substring(0,ix);}=0A=
var inp=3Dthis.getInputs(attr);if(!inp){return null;}=0A=
if(inp.length=3D=3D1){inp=3Dinp[0];return(prop&&prop.toLowerCase()!=3D=3D=
"value")?inp.getAttribute(prop):htmlutils.getValue(inp);}=0A=
var result=3D[];for(var =
i=3D0;i<inp.length;i++){if(prop&&prop.toLowerCase()!=3D=3D"value"){if(typ=
eof(inp[i][prop])!=3D'undefined'){result[result.length]=3Dinp[i][prop];}e=
lse{result[result.length]=3Dinp[i].getAttribute(prop);}}else{result[resul=
t.length]=3Dhtmlutils.getValue(inp[i]);}}=0A=
return result;},getList:function(attr){var ix;var =
prop=3Dnull;if((ix=3Dattr.indexOf(":"))>=3D0){prop=3Dattr.substring(ix+1)=
;attr=3Dattr.substring(0,ix);}=0A=
if(prop){throw"UNIMPLEMENTED: Component.getList: Getting list by =
property";}=0A=
var inp=3Dthis.getInputs(attr);if(!inp){return null;}=0A=
if(inp.length=3D=3D1){inp=3Dinp[0];return htmlutils.getList(inp);}=0A=
var result=3D[];for(var =
i=3D0;i<inp.length;i++){result[result.length]=3Dhtmlutils.getList(inp[i])=
;}=0A=
return result;},setValue:function(attr,value){var prop=3Dnull;var =
ix;if((ix=3Dattr.indexOf(":"))>=3D0){prop=3Dattr.substring(ix+1);attr=3Da=
ttr.substring(0,ix);}=0A=
var =
inp=3Dthis.getInputs(attr);if(inp.length=3D=3D1){inp=3Dinp[0];if(prop){if=
(typeof(inp[prop])!=3D'undefined'){inp[prop]=3Dvalue;}else{inp.setAttribu=
te(prop,value);}}else{inp.value=3Dvalue;}}else{throw"UNIMPLEMENTED: =
Cannot (yet) set vector values from =
scalar";}},getInputs:function(name){var =
inp=3Ddocument.getElementsByName(this.path+"."+name);if(!inp||inp.length=3D=
=3D=3D0){inp=3Dnull;}=0A=
return inp;},getInput:function(name){var =
inp=3Dthis.getInputs(name);return((inp&&inp.length>0)?inp[0]:null);},has:=
function(attrname){var =
inp=3Ddocument.getElementsByName(this.path+"."+attrname);return(inp&&(inp=
.length>0));},addEvent:function(inputName,eventName,f,flag){var =
inputs;var =
oThis=3Dthis;if(typeof(inputName)=3D=3D'string'){inputs=3Dthis.getInputs(=
inputName);}else =
if(utils.isArray(inputName)){inputs=3DinputName;}else{inputs=3D[inputName=
];}=0A=
if(!inputs){console&&console.warn("Can't find: "+inputName);return;}=0A=
var =
d=3DDispatcher.getInstance();for(i=3D0;i<inputs.length;i++){d.addRule(oTh=
is,eventName,inputs[i].name,f,null);d.listenForEvents(inputs[i],eventName=
);}=0A=
return;},removeEvent:function(inputName,eventName,f,flag){var =
inputs=3Dthis.getInputs(inputName);for(var =
i=3D0;inputs&&(i<inputs.length);i++){utils.removeEvent(inputs[i],eventNam=
e,f,flag);}},iListen:0,iNextListen:function(){return"L$"+this.iListen++;}=
,_listen:function(sMessage,fFunction,sSource){var oThis=3Dthis;var =
fName=3Dthis.iNextListen()+"$"+sMessage;this[fName]=3DfFunction;var =
d=3DDispatcher.getInstance();d.setListener(oThis,sMessage,function(dst,da=
ta,message,src){oThis[fName](message,data,src);},sSource);},_send:functio=
n(sMessage,oData,oDst){var =
d=3DDispatcher.getInstance();d.notify(this,sMessage,oData,oDst);},getMeta=
Data:function(){var =
result=3D{};result.listensFor=3D[];if(this.listen){for(var msg in =
this.listen){result.listensFor[result.listensFor.length]=3Dmsg;}}=0A=
result.sends=3D[];if(this.send){for(msg in =
this.send){result.sends[result.sends.length]=3Dmsg;}}=0A=
result.attributes=3D[];for(var attr in =
this.getAttributes()){result.attributes[result.attributes.length]=3Dattr;=
}=0A=
return =
result;}},{$i:{},$$i:{},create:function(type,path,cname,notifier){var =
p=3DPortal.Component.$i;var pelem=3Dpath.split(".");for(var =
i=3D0;i<pelem.length-1;i++){p=3Dp[pelem[i]];}=0A=
var =
sname=3Dpath.substring(1+path.lastIndexOf("."));if(typeof(Portal[type])=3D=
=3D'undefined'){throw("No such portlet type: "+type);}=0A=
if(typeof(Portal[type][sname])=3D=3D'undefined'){p[sname]=3Dnew =
Portal[type](path,cname,notifier);}else{try{p[sname]=3Dnew =
Portal[type][sname](path,cname,notifier);}catch(e){console&&console.error=
("Creating Portlet."+type+"."+sname+": "+e.message);throw e;}}=0A=
var =
l;if(!(l=3DPortal.Component.$$i[sname])){l=3DPortal.Component.$$i[sname]=3D=
[];}=0A=
l[l.length]=3Dp[cname];if(p[cname].beforesubmit){var =
d=3DDispatcher.getInstance();var =
oThis=3Dthis;d.setListener(oThis,"portal$beforesubmit",function(dst,data,=
message,src){var =
whydata=3Dp[cname].beforesubmit();if(typeof(whydata)=3D=3D'boolean'){retu=
rn whydata;}else =
if(typeof(whydata)=3D=3D'object'){d.notify(this,'portal$vetosubmit',whyda=
ta,null);return true;}=0A=
throw cname+".beforesubmit: returned "+typeof(whydata);},null);}=0A=
return p[cname];},get:function(path){return =
eval("Portal.Component.$i."+path);},getByShortName:function(name){return =
eval("Portal.Component.$$i."+name);},classExists:function(name){return(ty=
peof(Portal.Component[name])!=3D"undefined");},instanceExists:function(pa=
th){try{eval("Portal.Component.$i"+path);return true;}catch(e){}=0A=
return =
false;}});Portal.Layout=3DPortal.Component.extend({constructor:function(p=
ath,name,notifier){this.base(path,name,notifier);console&&console.info("C=
reated Layout: =
"+path);}});Portal.Cluster=3DPortal.Component.extend({constructor:functio=
n(path,name,notifier){this.base(path,name,notifier);console&&console.info=
("Created Cluster: =
"+path);}});Portal.Portlet=3DPortal.Component.extend({getAttributes:funct=
ion(){var t=3Ddocument.getElementsByTagName("input");var result=3D{};var =
pathlen=3Dthis.path.length;for(var i=3D0;i<t.length;i++){var =
it=3Dt[i];var itn=3Dit.getAttribute("name");if(!itn){continue;}=0A=
var prefixlen=3Ditn.lastIndexOf(".");var =
samePrefix=3D(itn.substring(0,this.path.length)=3D=3Dthis.path);if((prefi=
xlen=3D=3Dpathlen)&&samePrefix){result[itn.substring(1+prefixlen)]=3Dit.v=
alue;}}=0A=
return result;}});$PI=3Dfunction(path){return =
Portal.Component.get(path);};$PN=3Dfunction(name){var =
c=3DPortal.Component.getByShortName(name);if(typeof(c)=3D=3D"undefined"){=
return null;}=0A=
return(c.length=3D=3D1)?c[0]:c;};htmlutils=3D{accessors:{select:{getValue=
:function(node){return this.getList(node).join(", =
");},getList:function(node){var opts=3Dnode.options;var r=3D[];for(var =
i=3D0;i<opts.length;i++){if(opts[i].selected){r[r.length]=3Dopts[i].value=
;}}=0A=
return r;}},button:{getValue:function(node){var =
attrNode=3Dnode.getAttributeNode('value');return(attrNode!=3D=3Dnull)?att=
rNode.nodeValue:null;}}},getValue:function(elem){var =
v=3Dthis.accessors[elem.tagName.toLowerCase()];return =
v&&v.getValue?v.getValue(elem):elem.value;},getList:function(elem){var =
v=3Dthis.accessors[elem.tagName.toLowerCase()];return =
v&&v.getList?v.getList(elem):(elem.value?[elem.value]:[]);}};utils.addEve=
nt(window,"load",function(){Portal.getInstance();},false);
------=_NextPart_000_0007_01CA6D1D.CD7D4AA0
Content-Type: application/octet-stream
Content-Transfer-Encoding: quoted-printable
Content-Location: http://www.ncbi.nlm.nih.gov/portal/portalrc.fcgi/35748/js/15394/28968/29966/27166/30783/28669/27885/27590/29994/24519/29669/31945.js

//=0A=
//		 PAFAppResources: Initialize client side of Portlet Application =
Framework=0A=
//=0A=
=0A=
Portal.Portlet.PAFAppResources =3D Portal.Portlet.extend({=0A=
=0A=
   // In PAF, the form always posts to itself. It should update and =
interpret data, and=0A=
   // then *redirect* to another page if necessary.=0A=
   =0A=
   // This code fixes up the EntrezForm in PAF templates to =
automatically post=0A=
   // to the current window pathname.=0A=
   =0A=
   // If the programmer specifies a hidden input with =
id=3D"entrez-action",=0A=
   // that action (instead of POST) is used for the form.=0A=
   =0A=
   // If the programmer specifies a hidden input with =
id=3D"entrez-method",=0A=
   // that method is used for the form. =0A=
       =0A=
   // FIXME: This is a hack. EntrezForm should default to posting to =
same page,=0A=
   // and there should be some way of indicating how to post (or get) =
elsewhere.=0A=
   // The problem here is that we've mixed Entrez into PAF. This should =
be refactored.=0A=
   =0A=
   init: function(path, name, notifier) {=0A=
      var oThis =3D this;  // Use <oThis> instead of <this> for =
registering callbacks=0A=
      this.base(path, name, notifier);  // Call superclass constructor=0A=
      =0A=
      if (!document.forms[0]) return; // Do nothing if no form.=0A=
      =0A=
      var getNodeValue =3D function(id, dfl) {=0A=
         var node =3D $(id);=0A=
         return node ? node.value : dfl;=0A=
      };=0A=
      =0A=
      var entrezAction =3D getNodeValue('entrez-action', =
window.location.pathname);=0A=
      var entrezMethod =3D getNodeValue('entrez-method', null);=0A=
      var entrezSubmit =3D getNodeValue('entrez-submit', false);=0A=
      =0A=
      document.forms[0].action =3D entrezAction;=0A=
      =0A=
      // FIXME: We need to include query string here, too, I think... At =
least for POST...      =0A=
      if (entrezMethod) {=0A=
         document.forms[0].method =3D entrezMethod;=0A=
      }=0A=
=0A=
      // By default, entrez form ignores submits. Setting "entrezSubmit" =
to "true" means let Entrez form=0A=
      // actually process the submit. This probably will only work =
correctly for action=3D"get"       =0A=
      if (entrezSubmit) {=0A=
         document.forms[0].onsubmit=3D"return true;"=0A=
      }=0A=
   }=0A=
});=0A=
=0A=
// makes an ext js looking portlet w/o using extjs
if (typeof(noext) =3D=3D 'undefined') {
    noext =3D {};
}
noext.parseConfig =3D function(n) {
    var configStr =3D n.getAttribute('config') || '';
    try {
        var jsonObj =3D eval('({' + configStr + '})');
    }
    catch(e) {
        if (window.console) {
            console.error(e.message + ' in local config object in =
noext.Portlet: file: ' + e.fileName + ', line ' + e.lineNumber + '.' );
        }
    }
    return jsonObj;
};
noext.getClassArray =3D function(n) {
    var classNameStr =3D n.className;
    return classNameStr.split(' ');
};
noext.getFirstHeader =3D function(n) {
    var fc =3D utils.getFirstChild(n);
    if(fc.tagName.search(/^h\d/i) !=3D -1) {
        return fc;
    }
};
noext.Portlet =3D function(n, beenClassed) {
    this.n =3D n;=0A=
    this.beenClassed =3D beenClassed;=0A=
    if (!beenClassed) {
        this.headerNode =3D noext.getFirstHeader(this.n);
        this.headerDiv =3D document.createElement('div');
        this.bodyDiv =3D document.createElement('div');
        utils.addClass(this.bodyDiv, 'x-panel-body');=0A=
    }=0A=
    else {=0A=
        var divNodes =3D n.getElementsByTagName("div");=0A=
        for (var i =3D 0; i < divNodes.length; ++i) {=0A=
            var divNode=3D divNodes[i];=0A=
            if (utils.hasClass(divNode, 'x-panel-header')) {=0A=
                this.headerDiv =3D divNode;=0A=
            }=0A=
            else if (utils.hasClass(divNode, 'x-panel-body')) {=0A=
                this.bodyDiv =3D divNode;=0A=
            }=0A=
        }=0A=
    }
    var configObj =3D noext.parseConfig(this.n);
    this.collapsible =3D configObj.collapsible =3D=3D false ? false : =
true;=20
    this.closeable =3D configObj.closeable =3D=3D false ? false : true;=20
    this.collapsed =3D configObj.collapsed =3D=3D true ? true : false;
    if (this.collapsed =3D=3D true) {
        utils.addClass(this.n, 'x-panel-collapsed');
        this.bodyDiv.style.display =3D 'none';
    }
    this.make();
};

noext.Portlet.instances =3D [];
noext.Portlet.ready =3D function() {
    var nodes =3D $C('port', 'class', document, 'div');
    for (var i =3D 0; i < nodes.length; i++) {
        var n =3D nodes[i];
        if (utils.hasClass(n, 'norender')) {
            continue;
        }=0A=
        // CFM:  If the top-level div already has the 'x-panel' class, =
then =0A=
        // assume that it has been completely "classed up".=0A=
        var beenClassed =3D utils.hasClass(n, 'x-panel');
        portlet =3D new noext.Portlet(n, beenClassed);
    }
}
noext.Portlet.prototype =3D {
    make: function() {=0A=
        var beenClassed =3D this.beenClassed;=0A=
        =0A=
        var toolCloseA, toggleA;=0A=
        if (!beenClassed) {
            // put a parent around body content
            //var innerContainingDiv =3D document.createElement('div');
            utils.addClass(this.n, 'x-panel');
            //this.n.style.width =3D 'auto';
            utils.addClass(this.headerDiv, 'x-panel-header');
            utils.addClass(this.headerDiv, 'x-unselectable');
            if (this.headerNode) {=20
                this.n.insertBefore(this.headerDiv, this.headerNode);
                var header =3D this.n.removeChild(this.headerNode);
            }
            toolCloseA =3D document.createElement('a');
            toolCloseA.setAttribute('href', '#');
            utils.addClass(toolCloseA, 'x-tool');
            utils.addClass(toolCloseA, 'x-tool-close');
            toggleA =3D document.createElement('a');
            toggleA.setAttribute('href', '#');
            utils.addClass(toggleA, 'x-tool');
            utils.addClass(toggleA, 'x-tool-toggle');
            if (this.closeable =3D=3D true) {
                this.headerDiv.appendChild(toolCloseA);
            }
            if (this.collapsible) {
                this.headerDiv.appendChild(toggleA);
            }
            if (this.headerNode) {
                this.headerDiv.appendChild(header);
                utils.addClass(this.headerNode, 'x-panel-header-text');
            }=0A=
        }=0A=
        else {=0A=
            // Find the close and toggle <a> elements, if they exist.  =
To do this, we=0A=
            // iterate through all the <a> children, looking for the =
right classes.=0A=
            var aKids =3D this.n.getElementsByTagName("a");=0A=
            for (var i =3D 0; i < aKids.length; ++i) {=0A=
                var aKid =3D aKids[i];=0A=
                if (utils.hasClass(aKid, 'x-tool-close')) {=0A=
                    toolCloseA =3D aKid;=0A=
                }=0A=
                else if (utils.hasClass(aKid, 'x-tool-toggle')) {=0A=
                    toggleA =3D aKid;=0A=
                }=0A=
            }=0A=
        }=0A=
        this.toolCloseA =3D toolCloseA;
        this.toggleA =3D toggleA;=0A=
        if (!beenClassed) {
            this.reParent();=0A=
        }
        this.setEvents();
    },=20
    reParent: function() {
        var bodyElems =3D [];
        utils.insertAfter(this.n, this.bodyDiv, this.headerDiv);
        for (var i =3D this.n.childNodes.length -1; i >=3D 0; i--) {
            var fc =3D this.n.childNodes[i];
            if (fc !=3D this.headerDiv && fc !=3D this.bodyDiv) {=20
                bodyElems.push(this.n.removeChild(fc));
            }
            for (var j =3D 0; j < bodyElems.length; j++) {
                this.bodyDiv.appendChild(bodyElems[j]);
            }
        }
    },
    setEvents: function(toggleA) {
        var that =3D this;=0A=
        if (this.toggleA) {
            utils.addEvent(this.toggleA, 'click', function(e) { =
that.toggle(e)});=0A=
        }=0A=
        if (this.toolCloseA) {
            utils.addEvent(this.toolCloseA, 'click', function(e) { =
that.close(e)});=0A=
        }
    },=20
    toggle: function(e) {
        utils.preventDefault(e);
        if (utils.hasClass(this.n, 'x-panel-collapsed')) {
            utils.removeClass(this.n, 'x-panel-collapsed')
            this.bodyDiv.style.display =3D 'block';
        } else {
            utils.addClass(this.n, 'x-panel-collapsed');
            this.bodyDiv.style.display =3D 'none';
        }
    },
    close: function(e) {
        utils.preventDefault(e);=20
        this.n.parentNode.removeChild(this.n);
    }
};

utils.addEvent(window, 'load', noext.Portlet.ready);
=0A=
// This 2.x branch of this file was to add a brief delay to the pop-up, =
but it=0A=
// was decided not to merge this change into the main trunk.  I.e. this =
branch=0A=
// is PMC specific.  See PP-207.=0A=
=0A=
Portal.Portlet.BriefLinkPageSection =3D Portal.Portlet.extend({

	init: function(path, name, notifier) {=0A=
	    console.info("Created BriefLinkPageSection");
		this.base(path, name, notifier);
        =0A=
        this.SetPortletName();=0A=
        if (Portal.Portlet.BriefLinkPageSection.portletname !=3D ''){=0A=
            Portal.Portlet.BriefLinkPageSection.portletname =3D "." + =
Portal.Portlet.BriefLinkPageSection.portletname;=0A=
        }=0A=
        =0A=
        this.CreatePopNodes();=0A=
       =20
	},=0A=
	=0A=
	SetPortletName: function(){=0A=
	    // derived portlet should override and provide portlet name;=0A=
	},=0A=
	=0A=
    popNodeDelay: 0,
=0A=
    CreatePopNodes: function(){=0A=
        var pop =3D cssQuery("div.brieflink div" + =
Portal.Portlet.BriefLinkPageSection.portletname + " ul");
        var poptype =3D pop[0].className;
       =20
        // when value is pop0
        if (poptype.match(/pop0/)){
            // no popnodes need to be created
        }
        // for all other cases try to create popnode
        else{
            // Create ElementPopper for each li.item
    		var elemid =3D "div.brieflink div" + =
Portal.Portlet.BriefLinkPageSection.portletname + " li.item";
    		var elements =3D cssQuery(elemid);=20
    	=09
    		// go through the list of elements
    		for (var i =3D 0; i < elements.length; i++) {
                var elem =3D elements[i];
                var content =3D "";=20
               =20
                // when value is pop1
                if (poptype.match(/pop1/)){
                    // create pop with title + desc
                    var linktext =3D cssQuery("a", elem);
                    if (linktext && linktext.length > 0){
                        content +=3D linktext[0].innerHTML + "<br/>";
                    }
                }
                // default case - when value is pop2 or anything else =
but pop3
                else if (!poptype || !poptype.match(/pop3/)){
                    // if visible content length is larger than 105, =
then show the entire text in popup,
                    // followed by any included link description.
                    var linktext =3D cssQuery("a", elem);
                    var note =3D cssQuery("p.note", elem);
                    var content =3D "";=20
                    var linklength =3D 0;
                    if (linktext && linktext.length > 0){
                       linklength +=3D linktext[0].innerHTML.length;
                    }
                    if (note && note.length > 0){
                       linklength +=3D note[0].innerHTML.length;
                    }
                    if (linklength > 100){
                       content +=3D linktext[0].innerHTML + "<br/>";
                    }
                } // end default case
	          =20
	          =20
                // add Description to pop node when it exists for all =
popnode cases	          =20
	            var desc =3D cssQuery("p.desc", elem);
                if (desc && desc.length > 0){
                   content +=3D desc[0].innerHTML;
                }
               =20
                // create popnode when content is present
                if (content && content.length > 0) {
                  var elemclass =3D elem.className;
                  if (!elemclass.match(/popnode/)){
                      elem.className =3D elemclass + " popnode";
                  }
                  //new ElementPopper(elem, content);
                  new ElementPopper(elem, {=20
                      content: content,
                      delay: this.popNodeDelay=20
                  });
                }
               =20
            } // end for=20
        } // end else=0A=
	} // end CreatePopNodes function
},=0A=
{=0A=
portletname: '' =0A=
=0A=
});=0A=
//=0A=
// Java Module PopDiv_JS=0A=
//=0A=
=0A=
//=0A=
// Shows and hides a div at a specific location, either (x,y), or =
relative to=0A=
// an element in a specific direction.=0A=
//=0A=
// Limitations:=0A=
//  - height or width must be set on the popper div, or it may not =
position correctly.=0A=
//=0A=
// You're probably better off using ElementPopper instead of PopDiv for =
hover pops. Popper handles mouse events=0A=
// correctly.=0A=
//=0A=
// Arguments:=0A=
//   divId: the id of the div to use for the popper. You can also pass a =
DOM node, and PopDiv will use that node.=0A=
//       The default is "popperDiv".=0A=
//   className: Add this className to the popper div. Optional--no =
default. This is useful for setting up default state.=0A=
//=0A=
// It's preferable to use a single PopDiv to render popups all over=0A=
// a single page. You only need as many PopDivs as the maximum number of =
popups you may=0A=
// ever have open at once. See ElementPopper for details.=0A=
=0A=
var PopDiv =3D function(divId, className) {=0A=
=0A=
   var innerdiv =3D null;=0A=
   =0A=
   // default is a string=0A=
   if (typeof(divId) =3D=3D 'undefined') {=0A=
      divId =3D "popperDiv";=0A=
   }=0A=
   =0A=
   // Find or make popper div=0A=
   if ((this.div =3D document.getElementById(divId)) =3D=3D null) {=0A=
   =0A=
      this.div =3D document.createElement("div");=0A=
      this.div.id =3D divId;=0A=
      this.div.className =3D "popper";=0A=
      if (className) {=0A=
         this.div.className +=3D " " + className;=0A=
      }=0A=
      document.body.appendChild(this.div);=0A=
      this.div.innerHTML =3D "<div class=3D'popperInnerDiv'/>";=0A=
   } else {=0A=
      utils.addClass(this.div, "popper"); // Be sure it has this=0A=
   }=0A=
=0A=
   // this.innerdiv is first element of this.div=0A=
   for (this.innerdiv =3D this.div.firstChild;=0A=
      this.innerdiv && this.innerdiv.nodeType !=3D 1;=0A=
      this.innerdiv =3D this.innerdiv.nextSibling) {=0A=
   }=0A=
   =0A=
   // If caller provided a div with no inner divs, add one.=0A=
   if (!this.innerdiv) {=0A=
       this.innerdiv =3D document.createElement("div");=0A=
       this.innerdiv.className =3D "popperInnerDiv";=0A=
       this.div.appendChild(this.innerdiv);=0A=
   }=0A=
}=0A=
=0A=
PopDiv.POP_ABOVE =3D 0;=0A=
PopDiv.POP_RIGHT =3D 1;=0A=
PopDiv.POP_BELOW =3D 2;=0A=
PopDiv.POP_LEFT =3D 3;=0A=
PopDiv.POP_CLASSES =3D ['pop-above', 'pop-right', 'pop-below', =
'pop-left'];=0A=
=0A=
PopDiv.POPPED =3D 'popped';=0A=
PopDiv.POP_GETXY =3D 'pop-getxy';=0A=
=0A=
PopDiv.prototype =3D {=0A=
   // Show it at x, y=0A=
   showAt: function(html, x, y) {=0A=
=0A=
    //console.info("POP @ (" + x + ", " + y + ")");=0A=
    //console.info("----");=0A=
    =0A=
      // Set content if provided=0A=
      if (html) {=0A=
         this.innerdiv.innerHTML =3D html;=0A=
      }=0A=
=0A=
      this.div.style.left =3D x + "px";=0A=
      this.div.style.top =3D y + "px";=0A=
=0A=
      // Pop it=0A=
      utils.addClass(this.div, PopDiv.POPPED);=0A=
=0A=
   },=0A=
=0A=
   // Show it near element ("dir" indications direction)=0A=
   // Dimensions don't exist if element isn't shown.=0A=
   getXY: function() {=0A=
      var popped =3D utils.hasClass(this.div, PopDiv.POPPED);=0A=
=0A=
      if (!popped) {=0A=
         utils.addClass(this.div, PopDiv.POPPED);=0A=
      }=0A=
      var dim =3D utils.getXY(this.div);=0A=
      if (!popped) {=0A=
         utils.removeClass(this.div, PopDiv.POPPED);=0A=
      }=0A=
=0A=
      return dim;=0A=
   },=0A=
=0A=
   hide: function() {=0A=
      utils.removeClass(this.div, PopDiv.POPPED);=0A=
      if (this.popClass) {=0A=
         utils.removeClass(this.div, this.popClass);=0A=
         this.popClass =3D null;=0A=
         this.popnode =3D null;=0A=
      }=0A=
   },=0A=
=0A=
   // showBy shows a popper adjacent to another item.=0A=
   showBy: function(html, elem, dir) {=0A=
      var dx =3D 0;=0A=
      var dy =3D 0;=0A=
=0A=
      // Already popped over a particular popnode=0A=
      if (this.popnode && (this.popnode =3D=3D elem)) {=0A=
         return;=0A=
      }=0A=
      this.popnode =3D elem;=0A=
=0A=
      // Default direction=0A=
      if (typeof(dir) !=3D "number") {=0A=
         dir =3D PopDiv.POP_LEFT;=0A=
      }=0A=
=0A=
      // Set class "pop-<direction>": this determines margin=0A=
      this.popClass =3D PopDiv.POP_CLASSES[dir];=0A=
      //console.info("dir =3D " + dir +", popclass =3D " + =
this.popClass);=0A=
      utils.addClass(this.div, this.popClass);=0A=
      =0A=
      // Set text so that sizing is correct=0A=
      this.innerdiv.innerHTML =3D html;=0A=
=0A=
      // Get geometries of target and popper=0A=
      var thatdim =3D utils.getXY(elem);=0A=
      var popdim =3D this.getXY(this.div);=0A=
      //console.info("that =3D");=0A=
      //console.info(thatdim);=0A=
      //console.info("pop =3D ");=0A=
      //console.info(popdim);=0A=
=0A=
      // Calculate position=0A=
      switch (dir) {=0A=
      case PopDiv.POP_ABOVE: dy =3D -1*popdim.h;  break;=0A=
      case PopDiv.POP_LEFT:  dx =3D -1*popdim.w;  break;=0A=
      case PopDiv.POP_BELOW: dy =3D    thatdim.h; break;=0A=
      case PopDiv.POP_RIGHT: dx =3D    thatdim.w; break;=0A=
      default:=0A=
        throw "PopDiv: Invalid direction: " + dir;=0A=
      }=0A=
      //console.info("Popping at: [x=3D" + (thatdim.x + dx) + ", =
y=3D"+(thatdim.y + dy)+"]");=0A=
=0A=
      this.showAt(null, thatdim.x + dx, thatdim.y + dy);=0A=
   }=0A=
};=0A=
=0A=
=0A=
=0A=
// An ElementPopper shows a popup adjacent to a target element when the =
user mouses over the target.=0A=
// It handles browser events and manipulates a popper to show and hide =
detail data.=0A=
//=0A=
// When the mouse cursor enters the target, the content appears in the =
popper nearby.=0A=
//  When the mouse cursor leaves the target, the popper is hidden.=0A=
//=0A=
// This rather intense event handling code is necessary because =
mouseover and mouseout doesn't work=0A=
// as expected--mouseouts occur when moving over child nodes. The =
"relatedTarget" trick described=0A=
// by PPK (quirksmode.org) doesn't work either, because browsers =
sometimes drop events=0A=
// with related targets. So the only option is to capture =
document.onmousemove, and detect when=0A=
// the mouse either exits document.body, or moves over something that is =
neither the target nor=0A=
// one of its children.=0A=
//=0A=
// "popnode" is the target node=0A=
// "content" is either a string (the content to show), a DOM node (show =
its innerHTML), or a function.=0A=
// "config" is configuration; if it's just a number, then it's =
"direction" (PopDiv.POP_*); otherwise, it's a JS object with =0A=
//     attribute/value pairs=0A=
// "popperId" is the ID to assign to the popper; default is to make one =
up.=0A=
//=0A=
// When used with Ext.Ncbi, the popper should initialize itself on the =
page a few hundred=0A=
// ms after the page loads. IE apparently creates a race condition where =
popper and Ext.Ncbi initialization=0A=
// throw away the event handlers on which ElementPopper depends.=0A=
//=0A=
// So in that case, instead of new ElementPopper(a,b), you want to do:=0A=
//     setTimeout(function() {new ElementPopper(a,b);}), 500);=0A=
=0A=
//=0A=
var ElementPopper =3D function(popnode, content, config, popperId) {=0A=
=0A=
    var that =3D this;=0A=
=0A=
    // Inner functions=0A=
    // If target is popnode or one of its children, returns popnode; =
otherwise, null=0A=
    function getPopTarget(target) {=0A=
       while (target && !utils.hasClass(target, "popnode")) {=0A=
          target =3D target.parentNode;=0A=
       }=0A=
       return target;=0A=
    };=0A=
=0A=
    // Use inner functions here because removeEvent requires a reference =
to the=0A=
    // function object passed to addEvent, and we need to use closure to =
maintain scope.=0A=
=0A=
    // Show popper and start tracking mouse motions=0A=
    var handlePop =3D function(e) {=0A=
       var target =3D getPopTarget(utils.getTargetObj(e));=0A=
       =0A=
       if (target) {=0A=
	       // If Ajax URL is supplied, then fetch URL.=0A=
	       //   If AJAX URL is a function, the URL is the return value of =
the function=0A=
	       //   Otherwise AJAX URL must be a string=0A=
	       // When AJAX call succeeds, pop up the content. If there's a =
contentFunction, the content is=0A=
	       // the result of applying the contentFunction to the AJAX return =
data; otherwise, it's just=0A=
	       // the AJAX return data itself.=0A=
	       //=0A=
	       if (that.url) {=0A=
	          var url =3D (typeof(that.url) =3D=3D 'function') ? =
that.url(target) : that.url;=0A=
	=0A=
	          jQuery.ajax({=0A=
	             cache: false,=0A=
	             'url': url,=0A=
	             success: function(data, textStatus) {=0A=
	                doPop(target, data, textStatus);=0A=
	             }=0A=
	          });=0A=
	       } else {=0A=
	          doPop(target);=0A=
	       }=0A=
	       =0A=
	       // Set up to listen for mouse out=0A=
	       // This is the node currently being handled; it's cleared when=0A=
	       // the user mouses out.=0A=
	       that.handlingNode =3D target;=0A=
	    =0A=
           utils.removeEvent(target, "mousemove", handlePop);=0A=
           utils.addEvent(document.body, "mousemove", trackMouse);=0A=
           utils.addEvent(document.body, "mouseout", trackMouse);=0A=
       }=0A=
    }=0A=
    =0A=
    var doPop =3D function(target, data, status) {=0A=
       =0A=
       // Pop, shift listener to document body=0A=
       if (target) {=0A=
          that.timer =3D setTimeout(function() {=0A=
             // If we're still waiting for a pop, do the pop.=0A=
             // We're only waiting for a pop when handlingNode is set.=0A=
             if (target =3D=3D that.handlingNode) {=0A=
                that.thePopper.showBy(that.contentFunction(target, data, =
status), target, that.direction);=0A=
             } else {=0A=
               // Ignore the pop request, because we're no longer =
interested in this pop.=0A=
             }=0A=
             that.timer =3D null;             =0A=
          }, that.delay);=0A=
=0A=
       }=0A=
    };=0A=
=0A=
    // Unpop, shift listener back to popnode=0A=
    var trackMouse =3D function(e) {=0A=
       var target =3D getPopTarget(utils.getTargetObj(e));=0A=
=0A=
       // If mouse left document.body, or the target's not over the =
popnode, hide.=0A=
       if (e.type =3D=3D "mouseout" || target =3D=3D null) {=0A=
          // Clear pop timer if it hasn't popped=0A=
          if (that.timer) {=0A=
             window.clearTimeout(that.timer);=0A=
             that.timer =3D null;=0A=
          }=0A=
          that.thePopper.hide();=0A=
          that.handlingNode =3D null;=0A=
          =0A=
          utils.removeEvent(document.body, "mousemove", trackMouse);=0A=
          utils.removeEvent(document.body, "mouseout", trackMouse);=0A=
          utils.addEvent(popnode, "mousemove", handlePop);=0A=
       }=0A=
    };=0A=
=0A=
    // END inner functions=0A=
=0A=
    //=0A=
    // ctor main=0A=
    //=0A=
     =0A=
    // Support new signature ElementPopper(element, {config...}); in =
that case, "content" is a config object,=0A=
    // all other arguments are ignored, and config.content must be set =0A=
    if (typeof(content) =3D=3D 'object') {=0A=
       config =3D content;=0A=
       content =3D config.content;=0A=
    }=0A=
    =0A=
    // If a content URL is defined (AJAX URL string or function that =
returns URL), remember it=0A=
    if (config && config.url) {=0A=
       this.url =3D config.url;=0A=
    }=0A=
    =0A=
    // If content is a string, make it a function that returns the =
string.=0A=
    // If it's a dom node, make it a function that returns the dom =
node's innerHTML=0A=
    // If content is undefined, then assume data is coming from AJAX =
callback=0A=
    if (typeof(content) =3D=3D 'undefined') {=0A=
       this.contentFunction =3D function(target, data, status) { return =
data };=0A=
    } else if (typeof(content) =3D=3D 'string') {=0A=
       this.contentFunction =3D function() { return content; }=0A=
    } else if (content.innerHTML) {=0A=
       this.contentFunction =3D function() { return content.innerHTML; }=0A=
    } else if (typeof(content) =3D=3D 'function') {=0A=
       this.contentFunction =3D content; // Better be a function...=0A=
    }=0A=
    =0A=
    // Backward compatibility: "config" arg used to be "direction", so=0A=
    // interpret it as "direction" if config is a number.=0A=
    // Otherwise parse out config info=0A=
    if (typeof(config) =3D=3D=3D 'undefined') {=0A=
       config =3D {=0A=
          direction: PopDiv.POP_LEFT,=0A=
          delay: 0=0A=
       }=0A=
    }=0A=
    =0A=
    if (typeof(config) =3D=3D 'number') {=0A=
       this.direction =3D config;=0A=
    } else {=0A=
       this.direction =3D (typeof(config.direction) !=3D 'undefined') ? =
config.direction : PopDiv.POP_LEFT;=0A=
       this.delay =3D config.delay || 0;=0A=
    }=0A=
    this.popperId =3D config.popperId || popperId || ("popper" + =
(ElementPopper.popIndex++)); =0A=
=0A=
    // Create the popper=0A=
    this.thePopper =3D new PopDiv(this.popperId);=0A=
    var popdiv =3D $(this.popperId);=0A=
    =0A=
    // FIXME: Is this necessary? I think it's maybe wrong!=0A=
    if (popdiv) {=0A=
       utils.addClass(popdiv, "popnode");=0A=
    }=0A=
=0A=
    // Get popnode if it's an id string=0A=
    if (typeof(popnode) =3D=3D 'string') {=0A=
        popnode =3D $(popnode);=0A=
        if (!popnode) {=0A=
           throw "ElementPopper: id not found";=0A=
        }=0A=
    }=0A=
    this.popnode =3D popnode;=0A=
    this.timer =3D null; // Only exists when waiting for a pop=0A=
    =0A=
    // When the user mouses over target, pop it up=0A=
    utils.addEvent(popnode, "mousemove", handlePop);=0A=
}=0A=
=0A=
ElementPopper.popIndex =3D 0;=0A=
=0A=
ElementPopper.prototype =3D {=0A=
   setDelay: function(delay) {=0A=
      this.delay =3D delay;=0A=
   },=0A=
   getDelay: function() {=0A=
      return delay;=0A=
   }=0A=
};=0A=
=0A=
=0A=
=0A=
 utils.addEvent(window, "load", function(){     =0A=
     theDEP =3D new DeferredElementPopper("rapopper", { =0A=
          content: function(node) { =0A=
               var c =3D cssQuery(".hidden", node);               =0A=
               if (c && c.length > 0) {=0A=
                  var label =3D (c[0].textContent || c[0].innerText); =0A=
                  var cit =3D getCitation(node);=0A=
                  label =3D "<p id=3D'htbpoptext'>" + label + "</p>";=0A=
                  if (cit && cit > ""){ // avoid "undefined" value=0A=
                      label =3D label + "<p id=3D'htbpcit'>" + cit + =
"</p>";=0A=
                  } =0A=
                  return label;=0A=
               }                =0A=
          }, =0A=
          direction: PopDiv.POP_LEFT, =0A=
          popperId: "ppPopper", =0A=
          delay: 0 =0A=
     }); =0A=
});=0A=
=0A=
Portal.Portlet.HistoryDisplay =3D Portal.Portlet.extend({

	init: function(path, name, notifier) {
		console.info("Created History Ad...");
		this.base(path, name, notifier);   =20
	},
=09
	send: {
      'Cmd': null
      //'Recording': null
    },  =20
   =20
    receive: function(responseObject, userArgs) {  =0A=
         var cmd =3D userArgs.cmd;
         var rootNode =3D document.getElementById('HTDisplay'); =0A=
         var ul =3D document.getElementById('activity');=0A=
         var resp =3D responseObject.responseText;=0A=
             =0A=
         if (cmd =3D=3D 'HTOn') { =0A=
            rootNode.className =3D '';    // hide all msg and the turnOn =
link=0A=
            try {=0A=
                // Handle timeouts=0A=
                if (responseObject.status =3D=3D 408) { =0A=
                    rootNode.className =3D 'HTOn'; // so that the =
following msg will show up=0A=
                    rootNode.innerHTML =3D "<p class=3D'HTOn'>Your =
browsing activity is temporarily unavailable.</p>";=0A=
                    return;=0A=
                }=0A=
                   =0A=
                 // Looks like we got something...=0A=
                 resp =3D '(' + resp + ')';=0A=
                 var JSONobj =3D eval(resp);=0A=
                 =0A=
                 // Build new content (ul)=0A=
                 var newHTML =3D JSONobj.Activity;=0A=
                 var newContent =3D document.createElement('div');=0A=
                 newContent.innerHTML =3D newHTML;=0A=
                 var newUL =3D newContent.getElementsByTagName('ul')[0];=0A=
                 //alert(newHTML);=0A=
                 //alert(newContent.innerHTML);=0A=
                 //alert(newUL.innerHTML);=0A=
                 // Update content=0A=
                 rootNode.replaceChild(newUL, ul);=0A=
                 //XHR returns no activity (empty ul), e.g. activity =
cleared=0A=
                 if (newUL.className =3D=3D 'hide')                    =20
                     rootNode.className =3D 'HTOn';  // show "Your =
browsing activity is empty." message=0A=
                 =0A=
            }         =0A=
            catch (e) {=0A=
                //alert('error');=0A=
                rootNode.className =3D 'HTOn'; // so that the following =
msg will show up=0A=
                rootNode.innerHTML =3D "<p class=3D'HTOn'>Your browsing =
activity is temporarily unavailable.</p>";=0A=
           }=0A=
         }=0A=
         else if (cmd =3D=3D 'HTOff') {                         =0A=
             if (ul !=3D null) { =0A=
                 ul.className=3D'hide'; =0A=
                 ul.innerHTML =3D ''; // clear activity=0A=
             }=0A=
             rootNode.className =3D 'HTOff';    // make "Activity =
recording is turned off." and the turnOn link show up             =0A=
         }=0A=
         else if (cmd =3D=3D 'ClearHT') {     =0A=
             if ( rootNode.className =3D=3D '') { //                 =0A=
                 rootNode.className =3D 'HTOn';  // show "Your browsing =
activity is empty." message                                  =0A=
                 if (ul !=3D null) {=0A=
                     ul.className=3D'hide'; =0A=
                     ul.innerHTML =3D '';=0A=
                 }=0A=
             }            =0A=
         } =0A=
        =20
    },
   =20
	listen: {
	  'Cmd' : function(sMessage, oData, sSrc){
			console.info("Inside Cmd in HistoryDisplay: " + oData.cmd);
			this.setValue("Cmd", oData.cmd);
	  },	 =20
	=09
      "HistoryToggle<click>" : function(e, target, name){
         //alert(target.getAttribute("cmd"));
         this.send.Cmd({'cmd': target.getAttribute("cmd")});        =20
         console.info("Inside HistoryToggle in HistoryDisplay: " + =
target.getAttribute("cmd"));
        =20
         var site =3D document.forms[0]['p$st'].value;
         var cmd =3D  target.getAttribute("cmd");    =20
              =20
         // Issue asynchronous call to XHR service, callback is to =
update the portlet output
	     var resp =3D xmlHttpCall(site, this.path, cmd, {}, this.receive, =
{'cmd': target.getAttribute("cmd")}, this);
      },=20
     =20
      "HistoryOn<click>" : function(e, target, name){
         this.send.Cmd({'cmd': target.getAttribute("cmd")});
         =
//$PN('Pubmed_ResultsSearchController').getInput('RecordingHistory').valu=
e =3D 'yes';		=20
         console.info("Inside HistoryOn in HistoryDisplay: " + =
target.getAttribute("cmd"));
               =20
         var site =3D document.forms[0]['p$st'].value;  =20
	     var resp =3D xmlHttpCall(site, this.path, "HTOn", {}, =
this.receive, {'cmd': target.getAttribute("cmd")}, this);
	     //Portal.requestSubmit();
      },
     =20
      "ClearHistory<click>" : function(e, target, name){
         this.send.Cmd({'cmd': target.getAttribute("cmd")});=09
         var site =3D document.forms[0]['p$st'].value;  =20
	     var resp =3D xmlHttpCall(site, this.path, "ClearHT", {}, =
this.receive, {'cmd': target.getAttribute("cmd")}, this);	=20
      }
    }
});

function getCitation(node) {
   // var withHistorys =3D cssQuery("*[title]", node); does not work!!!  =
=20
   var withTitles =3D $AN('title', node, '*');
   //alert(withTitles.length + " " + withTitles[0].tagName + " " + =
withTitles[withTitles.length-1].tagName);
   //alert(withTitles[1].getAttribute('title'));
   if (withTitles.length > 0) {     =20
      var p =3D withTitles[0];
      var s =3D p.getAttribute("title");
      if (s && s > "") {=20
          //alert(s);
          p.setAttribute("title", "");
          node._title =3D s;
          for (var i =3D 0; i < withTitles.length; i++) {
              withTitles[i].removeAttribute("title");   =20
          }
      }
      /*else { //fixed in utils.js        =20
          s =3D node._title; // required for IE b/c of the bug in $AN
      }*/
   } else {
      s =3D node._title;
      //alert("old s "+ s);
   }
   return s;
}=0A=
// Requires: ElementPopper_JS, EventDispatcher_JS=0A=
=0A=
//=0A=
// A DeferredElementPopper creates an ElementPopper on any node with a =
given className the first time the=0A=
// node receives a mouseover event. It collects all of the poppers it =
creates (in an array), and=0A=
// remembers the dispatcher rule that invokes the initialization.=0A=
//=0A=
// "content" is the same as "content" for ElementPopper (see which)=0A=
//=0A=
DeferredElementPopper =3D function(className, config) {=0A=
   var that =3D this;=0A=
   this.config =3D config;=0A=
   this.poppers =3D [];=0A=
   this.dispatcher =3D new EventDispatcher("mouseover", className, =
function(event, udata, dispatcher) {=0A=
         if (!this._popup_init) {=0A=
            this._popup_init =3D 1;=0A=
            that.poppers[that.poppers.length] =3D new =
ElementPopper(this, that.config.content, that.config);=0A=
         }=0A=
    });=0A=
    =0A=
}=0A=
DeferredElementPopper.prototype =3D {=0A=
   debug: function() {=0A=
     var s =3D "";=0A=
     for (var i =3D 0; i < this.poppers.length; i++) {=0A=
        var z =3D this.poppers[i];=0A=
        s +=3D i + ": ";=0A=
        s +=3D z.popnode.innerText + "(" + =
z.popnode.getAttribute("title") +"); ";=0A=
     }=0A=
     alert(s);=0A=
   }=0A=
};=0A=
=0A=
=0A=
//=0A=
// A EventDispatcher does a popup on demand based on a classname on an =
element.=0A=
// Every mouse motion on the page notifies EventDispatcher that an event =
occurred.=0A=
// Any time an event occurs that has one of EventDispatcher's classnames =
on it,=0A=
// the handlers associated with that className are executed.=0A=
//=0A=
// EventDispatcher is designed for popups, but can be used for anything; =
the handler=0A=
// is a generic function:=0A=
//    handler(event, udata, dispatchrule)=0A=
// <event> is the platform event object; use utils.getTargetObj() to get =
its target=0A=
// <udata> is the udata that was passed when that handler was set up.=0A=
// <dispatchrule> is the EventDispatcher object; it is the dictionary=0A=
// {eventType, className, handler, udata} describing the popper behavior.=0A=
//=0A=
// dispatchrule.remove() [TBD] removes the rule from the event dispatcher=0A=
//=0A=
// When the callback occurs, <this> is the target element. =0A=
=0A=
EventDispatcher =3D function(eventType, className, handler, udata) {=0A=
=0A=
   // Start PP listening for this event=0A=
   if (!EventDispatcher.events) {=0A=
      EventDispatcher.events =3D {};=0A=
   }=0A=
=0A=
    // If first definition for this event type, listen for it=0A=
   if (!EventDispatcher.events[eventType]) {=0A=
      EventDispatcher.events[eventType] =3D {};=0A=
      utils.addEvent(document.body, eventType, =
EventDispatcher.handleEvent);=0A=
   }=0A=
   =0A=
   // Index of all class names managed by PP=0A=
   if (!EventDispatcher.classNames[className]) {=0A=
      EventDispatcher.classNames[className] =3D 1;=0A=
   }=0A=
=0A=
   // ev.classNames are the classes that listen for this event=0A=
   var ev =3D EventDispatcher.events[eventType];=0A=
   if (!ev.classNames) {=0A=
      ev.classNames =3D {};=0A=
   }=0A=
   =0A=
   // Add handler for this class=0A=
   if (!ev.classNames[className]) {=0A=
      ev.classNames[className] =3D [];=0A=
   }=0A=
   =0A=
   this.eventType =3D eventType;=0A=
   this.className =3D className;=0A=
   this.handler =3D handler;=0A=
   this.udata =3D udata || null;=0A=
   =0A=
   var c =3D ev.classNames[className];=0A=
   c[c.length] =3D this;=0A=
}=0A=
=0A=
EventDispatcher.events =3D {}=0A=
EventDispatcher.classNames =3D {}=0A=
=0A=
EventDispatcher.handleEvent =3D function(e) {=0A=
=0A=
   if (!EventDispatcher.events[e.type]) { return; } // TODO: Remove =
event listener here=0A=
   =0A=
   var t =3D utils.getTargetObj(e);=0A=
   if (t.className) {=0A=
      var theClasses =3D t.className.split(/\s+/);=0A=
      for (var c in theClasses) {=0A=
         if (EventDispatcher.classNames[theClasses[c]]) {=0A=
            EventDispatcher.dispatch(e, t, theClasses[c]);=0A=
         }=0A=
      }=0A=
   }=0A=
}=0A=
=0A=
EventDispatcher.dispatch =3D function(e, t, className) {=0A=
   if (!EventDispatcher.events[e.type]) return;=0A=
   var ev =3D EventDispatcher.events[e.type];=0A=
   if (!ev.classNames || !ev.classNames[className]) return;=0A=
   var poppers =3D ev.classNames[className];=0A=
   for (var i =3D 0; i < poppers.length; i++) {=0A=
      poppers[i].handleEvent(t, e);=0A=
   }=0A=
}=0A=
=0A=
EventDispatcher.prototype =3D {=0A=
   handleEvent: function(target, event) {=0A=
      this.handler.call(target, event, this.udata, this);=0A=
   }=0A=
}=0A=
=0A=
=0A=
=0A=
// PPMCRecentActivity=0A=
//=20
=0A=
Portal.Portlet.PPMCRecentActivity =3D =
Portal.Portlet.HistoryDisplay.extend({

    init: function(path, name, notifier) {
        console.info("Created PPMCRecentActivity");
        this.base(path, name, notifier);
    }
});=0A=
=0A=
=0A=
Portal.Portlet.Pubmed_Discovery_RA =3D =
Portal.Portlet.BriefLinkPageSection.extend({
   =20
    init: function(path, name, notifier) {
        console.info("Created Pubmed_Discovery_RA");
		this.base(path, name, notifier);
	},
=09
	SetPortletName: function(){
	    Portal.Portlet.BriefLinkPageSection.portletname =3D =
'Pubmed_Discovery_RA';
	}
});=0A=
Portal.Portlet.PPMCPubmedRA =3D =
Portal.Portlet.BriefLinkPageSection.extend({

    init: function(path, name, notifier) {=0A=
        console.info("Created PPMCPubmedRA");=0A=
        this.base(path, name, notifier);=0A=
    },=0A=
=0A=
    SetPortletName: function(){=0A=
        Portal.Portlet.BriefLinkPageSection.portletname =3D =
'PPMCPubmedRA';=0A=
    },=0A=
=0A=
    popNodeDelay: 500=0A=
});=0A=
// PPMCArticlePageJS=0A=
// This script does the following:=0A=
// - Positions reference portlets in the discovery column to the top of =
each paragraph;=0A=
// - Calculates how many references will fit;=0A=
// - Calculates whether it needs a "see all" link;=0A=
// - Adds mouseovers to links in paragraphs and reference portlet links=0A=
=0A=
// We use a self executing anonymous function in order to protect the =
global namespace from=0A=
// two top-level vars: '$j', and 'main'.=0A=
=0A=
( function() {=0A=
    var $j =3D jQuery;=0A=
=0A=
    // This main function runs when the DOM is ready to be queried; it =
gets attached to=0A=
    // the event down at the bottom of this module.=0A=
    var main =3D function() {=0A=
        //var start =3D new Date().getTime();=0A=
        var POPPER_DELAY =3D 500;=0A=
=0A=
        =
//////////////////////////////////////////////////////////////////////=0A=
        // Helper functions=0A=
=0A=
        =
//-------------------------------------------------------------------=0A=
        // This function determines if two rectangles intersect.=0A=
        // Two rectangles intersect if any point along their lines share =
a =0A=
        // point in space.  Because these portlets will be lined up =
vertically, =0A=
        // we only worry about one dimension.  The 'dims' parameter is =
an =0A=
        // object that contains top and bottom dimensions of the two =
rectangles.=0A=
=0A=
        var rectIntersect =3D function(dims) {=0A=
            // L1t is 'Line'1'Top' etc.=0A=
            var L1t =3D dims.L1t;=0A=
            var L1b =3D dims.L1b;=0A=
            var L2t =3D dims.L2t;=0A=
            var L2b =3D dims.L2b;=0A=
            return (=0A=
                (L2b > L1t && L2b < L1b) ||=0A=
                (L2t < L1b && L2t > L1t) ||=0A=
                (L2t > L1t && L2t < L1b) ||=0A=
                (L2t < L1t && L2b > L1b)=0A=
            );=0A=
        };=0A=
=0A=
        =
//-------------------------------------------------------------------=0A=
        // This function adds a popup to the links within the main =
article body.=0A=
        // It adds the popup to one element, and then queues itself up =
to add the=0A=
        // popup to the next element after a short delay.=0A=
=0A=
        var addPopper =3D function(elems, curr) {=0A=
            var currElem =3D elems[curr];=0A=
            var jqCurrElem =3D jQuery(currElem);=0A=
=0A=
            var rid =3D jqCurrElem.attr('rid');=0A=
            //console.info("rid is '" + rid + "'");=0A=
=0A=
            if (rid) {=0A=
                // Find the text for this popup from the element pointed =
to by =0A=
                // @rid.  This will be in the reference section of the =
article.=0A=
                // Some id's from the backend have special characters, =
so we=0A=
                // need to escape them, see PMC-6384 and =
http://tinyurl.com/2qfqgc=0A=
=0A=
                var ridEscaped =3D rid.replace(/:/g, "\\:")=0A=
                                    .replace(/\./g, "\\.")=0A=
                                    .replace(/=C2=B7/g, "\\=C2=B7");=0A=
                var refElem =3D jQuery('#' + ridEscaped);=0A=
                =0A=
                // Check to make sure that we found something=0A=
                if (refElem.length > 0) {=0A=
=0A=
                    var citeText =3D refElem.text();=0A=
                    //console.info("citeText is '" + citeText + "'");=0A=
=0A=
                    var popText =3D jQuery.trim(citeText);=0A=
                    //console.info("popText is '" + popText + "'");=0A=
    =0A=
                    // If the @href element of the current <a> tag =
(currElem)=0A=
                    // has a '#' portion, meaning that it is a link to =
the=0A=
                    // reference list in this same article, then =
indicate =0A=
                    // that in the popup text.=0A=
                    if (currElem.hash) {=0A=
                        popText +=3D ' [Reference List]';=0A=
                    }=0A=
    =0A=
                    new ElementPopper(currElem,=0A=
                        { content: popText, =0A=
                          direction: PopDiv.POP_ABOVE, =0A=
                          popperId: 'popper-para-links', =0A=
                          delay: POPPER_DELAY });=0A=
                }=0A=
            }=0A=
=0A=
            // Now arrange to have ourselves called for the next element =
that needs a popup,=0A=
            // after one millisecond.=0A=
            curr++;=0A=
            if (curr < elems.length) {=0A=
                var fnc =3D function(){=0A=
                    addPopper(elems, curr);=0A=
                }=0A=
                window.setTimeout(fnc, 1);=0A=
            }=0A=
        }; // end addPopper function=0A=
=0A=
        =
//-------------------------------------------------------------------=0A=
        // This function adds a popup to the links in the =
cited-reference blocks.=0A=
=0A=
        var addPopper2 =3D function(elems, curr) {=0A=
            var aDomElement =3D elems[curr];=0A=
            var aKids =3D aDomElement.childNodes;=0A=
            var aNumKids =3D aKids.length;=0A=
            //console.info("aDomElement is a " + aDomElement.toString() =
+ "; num kids is " + aNumKids);=0A=
=0A=
            // Generate the text that will go in the popup.=0A=
            // Get the text children of the <a> element.  This loop =
drops any element nodes;=0A=
            // in particular, the <span class=3D'flag'>Review</span> =
element, if present.=0A=
            var txt =3D "";=0A=
            for (var i =3D 0; i < aNumKids; ++i) {=0A=
                var kid =3D aKids[i];=0A=
                if (kid.nodeType !=3D 1) {=0A=
                    txt +=3D kid.nodeValue;=0A=
                }=0A=
            }=0A=
=0A=
            var l =3D jQuery(elems[curr]);=0A=
            txt +=3D "<br/>" + l.next('p')[0].innerHTML;=0A=
            new ElementPopper(l[0],=0A=
                { content: txt, direction: PopDiv.POP_LEFT, popperId: =
'popper-port-links', delay: POPPER_DELAY });=0A=
=0A=
            // Now arrange to have ourselves called for the next element =
that needs a popup,=0A=
            // after one millisecond.=0A=
            curr++;=0A=
            if (curr < elems.length) {=0A=
                var fnc =3D function(){=0A=
                    addPopper2(elems, curr);=0A=
                }=0A=
                window.setTimeout(fnc, 1);=0A=
            }=0A=
        }; // end addPopper2 function=0A=
=0A=
        // end helper function(s)=0A=
=0A=
        =
//////////////////////////////////////////////////////////////////////=0A=
        // In this space, we define and set variables that only need to =
be set once, not per paragraph.=0A=
=0A=
        // See if there any reference portlets in the page, by getting =
at least two reference=0A=
        // portlets. Later we will use these two portlets to make sure =
they do not interfere with=0A=
        // existing portlets in the column. It is unlikely that a third =
portlet would interfere=0A=
        // with anything, so let's make this as efficient as possible=0A=
        var portNodes =3D =
$j('#ArticleRefDocsums').find('div.cited-ref:lt(2)');=0A=
=0A=
        // If there is at least one portlet in the page, we need to get =
some initial information,=0A=
        // like sample portlet elements' sizes, information about =
existing portlet in page etc.=0A=
        var portsInPage =3D false;=0A=
        if (portNodes.length > 0) { // if the page has ANY reference =
portlets=0A=
            // remember that there is something to do=0A=
            var portsInPage =3D true;=0A=
            var firstPortN =3D $j(portNodes[0]);=0A=
=0A=
            // Max shown per page is already decided by xslt that =
generates portlet server-side,=0A=
            // and should be the number of <li>s per portlet=0A=
            var MAXREFS =3D 5;=0A=
=0A=
            // get dimensions of elements inside sample portlet, account =
for padding by using outerHeight=0A=
            var lis =3D firstPortN.find('li.ovfl');=0A=
            var firstRefH =3D $j(lis[0]).outerHeight(true);=0A=
            var firstSeeAllH =3D =
firstPortN.find('a.all-articles').outerHeight(true);=0A=
            var firstUl =3D firstPortN.find('ul');=0A=
            // the ul might have padding or margins applied=0A=
            var ulPaddingMargin =3D parseInt(firstUl.css('padding-top')) =
+=0A=
                                  =
parseInt(firstUl.css('padding-bottom')) +=0A=
                                  parseInt(firstUl.css('margin-top')) +=0A=
                                  parseInt(firstUl.css('margin-bottom'));=0A=
            // same goes for the actual portlet div=0A=
            var portNPadding =3D parseInt(firstPortN.css('padding-top')) =
+=0A=
                               =
parseInt(firstPortN.css('padding-bottom'));=0A=
=0A=
            // The horizontal position of all cited ref blocks should =
line up with recent history=0A=
            // portlet, which should be above any reference portlets=0A=
            var leftPos =3D $j('#recent-activity').position().left;=0A=
            //console.info('Got leftPos of all portlets: ' + leftPos);=0A=
=0A=
            // Get positions of any existing portlets in side column, so =
we can later hide any=0A=
            // reference portlets that take up same space=0A=
            var sideBarCell =3D $j('td.sidebar-cell')[0];=0A=
            var portRanges =3D {};=0A=
            var ports =3D jQuery('div.port', sideBarCell);=0A=
            for (var i =3D 0; i < ports.length; i++) {=0A=
                var p =3D jQuery(ports[i]);=0A=
                var pos =3D p.position();=0A=
                var t =3D pos.top;=0A=
                portRanges[i] =3D {=0A=
                    't': t,=0A=
                    'b': t + p.height() // bottom is top + height of =
portlet=0A=
                };=0A=
            }=0A=
=0A=
        } // end if portNodes in doc=0A=
=0A=
        // Now, for each paragraph, get associated portlet and position =
appropriately, we still need=0A=
        // to iterate through each paragraph even if there are no =
reference links in entire document.=0A=
        // We are doing some weird stuff here.  We have to do iterate =
through each paragraph, but=0A=
        // for performance reasons, on large pages we need to pause a ms =
between iterations. So:=0A=
        // 1) we get all "paragraph" elements=0A=
        // 2) we execute the "loopdloop" function, which every ms passes =
all the paras to paraLoop=0A=
        // 3) paraLoop does all the positioning of the reference portlets=0A=
        // 4) When loopdloop is done, it calls hideInterfering, which =
hides any portlets =0A=
        //    that overlap existing ones=0A=
=0A=
        // First make a hash of all of the CRBs indexed by their @rid =
attributes.=0A=
        var crbs =3D $j('div.cited-ref');=0A=
        var numCrbs =3D crbs.length;=0A=
        //console.info("Number of crbs is " + numCrbs);=0A=
=0A=
        var crbsByRid =3D {};=0A=
        for (var i =3D 0; i < numCrbs; ++i) {=0A=
            var crb =3D crbs[i];=0A=
            //console.info("crb is " + crb.toString());=0A=
            var jcrb =3D $j(crb);=0A=
            //console.info("jcrb is " + jcrb.toString());=0A=
            var rid =3D jcrb.attr('rid');=0A=
            //console.info("@rid is '" + rid + "'");=0A=
            crbsByRid[rid] =3D jcrb;=0A=
        }=0A=
=0A=
        //var paraLoop =3D function(crb) {=0A=
        //    var jcrb =3D $j(crb);=0A=
        //    var paraRid =3D jcrb.attr('rid');=0A=
        //    var p =3D $j('#' + paraRid);=0A=
        var paraLoop =3D function(para) {=0A=
            //console.group('para');=0A=
            var p =3D $j(para);=0A=
            //console.info(p[0]);=0A=
=0A=
            // Get the @id attribute, and from that, look up the CRB.=0A=
            var paraId =3D p.attr('id');=0A=
            //console.info("paragraph @id is " + paraId);=0A=
            var jcrb =3D crbsByRid[paraId];=0A=
=0A=
            if (jcrb) {=0A=
                //console.info("jcrb is " + jcrb.toString());=0A=
=0A=
                // if a 'paragraph' has an associated portlet, it will =
have a 'cite' attribute on it=0A=
                // CFM:  taking this check out, the @cite attribute is =
going away, see PMC-5595:=0A=
                //var citeAttr =3D p.attr('cite');=0A=
                //if (citeAttr) {=0A=
=0A=
                // Get the number of unique references per paragraph.  =
This could be more than the=0A=
                // max shown in portlet.=0A=
                // CFM:  Now, getting this info from the crb, not the =
paragraph, because the @pmids=0A=
                // attribute will be going away from the paragraph, see =
PMC-5595.=0A=
//              var numRefs =3D p.attr('pmids').split(' ').length;=0A=
                var numRefs =3D jcrb.attr('pmids').split(' ').length;=0A=
                //console.info("numRefs is " + numRefs);=0A=
=0A=
                // get paragraph dims. We need these to position portlet =
to paragraph=0A=
                var pPos =3D p.position();=0A=
                var pPosX =3D pPos.left;=0A=
=0A=
                 // needs to be a number because we will add/subtract =
margin=0A=
                var pPosY =3D parseInt(pPos.top);=0A=
                var pPosH =3D p.height();=0A=
=0A=
                // Get paragraph top and bottom margins.  We need to =
account for these when calculating =0A=
                // reference portlet placement. Margin is not accounted =
for when getting an element's =0A=
                // height, but it does affect appearance of element's =
dimensions when there is no border.=0A=
                var pMarT =3D parseInt(p.css('marginTop'));=0A=
                var pMarB =3D parseInt(p.css('marginBottom'));=0A=
=0A=
                // Get associated portlet from 'cited' attribute, we can =
now safely overwrite portN =0A=
                // variable from beginning of script.=0A=
                // CFM:  change from using 'portN' to using the variable =
'jcrb', from above.=0A=
                //var portN =3D $j('#' + citeAttr);=0A=
                //var refNodes =3D portN.find('li');=0A=
                var refNodes =3D jcrb.find('li');=0A=
                var numRefsInP =3D refNodes.length;=0A=
                //console.info("numRefsInP is " + numRefsInP);=0A=
=0A=
                // Set styles on portlet node to align to paragraph=0A=
                // We set portlet node to position: absolute in the css =
file, because that is more=0A=
                // efficient than setting it in JavaScript, and that =
property does not change.=0A=
//              portN.css( {=0A=
                jcrb.css( {=0A=
                    'top': pPosY + pMarT + 2 + 'px', // Add an xtra 2px, =
otherwise it appears too low=0A=
                    'left': leftPos + 'px'=0A=
                });=0A=
=0A=
                // Calculate how many refs will fit per paragraph and if =
we need the =0A=
                // 'See more articles cited in this paragraph' link. =0A=
                var refsFit =3D null;=0A=
                var needAllLink =3D false;=0A=
                if (numRefs > MAXREFS || numRefs * firstRefH >=3D pPosH =
- pMarB) {=0A=
                    //console.info('more links than allowed, OR links =
allowed are higher than paragraph height');=0A=
                    refsFit =3D Math.floor( pPosH / (firstRefH + =
firstSeeAllH) );=0A=
                    needAllLink =3D true;=0A=
                    if (refsFit > MAXREFS) {=0A=
                        refsFit =3D MAXREFS;=0A=
                    }=0A=
                    //console.info('refsFit: ' + refsFit);=0A=
                } else {=0A=
                    //console.info('all refs in para fit');=0A=
                    refsFit =3D numRefs;=0A=
                    //console.info('refsFit: ' + refsFit);=0A=
                }=0A=
=0A=
                var aSeeArticles =3D jcrb.find('a.all-articles');=0A=
                if (!needAllLink) {=0A=
                    aSeeArticles.hide();=0A=
                }=0A=
                else if (refsFit =3D=3D 0) {=0A=
                    // If the visible number of links is zero, then =
change the text from=0A=
                    // "See more articles ..." to just "See articles =
...".=0A=
                    // See PMC-6076.=0A=
                    var seeMoreT =3D aSeeArticles.text();=0A=
                    aSeeArticles.text( seeMoreT.replace(/more /, "") );=0A=
                    // After all, we decided that we'd rather just not =
see it:=0A=
                    jcrb.hide();=0A=
                }=0A=
=0A=
                //console.info('need to take off refs:');=0A=
                // how many references (lis) from the portlet do we need =
to hide?=0A=
                var takeOff =3D numRefsInP - refsFit;=0A=
                //console.info(takeOff);=0A=
=0A=
                if ( takeOff > 0 ) {=0A=
                    // we need to take off some nodes, loop through li =
nodes in reverse order and hide them=0A=
                    for (var i =3D numRefsInP - 1; i >=3D refsFit; i--) {=0A=
                        $j(refNodes[i]).hide();=0A=
                    }=0A=
                } // end if we need to take off nodes=0A=
=0A=
                // we now need to add mouseovers on reference links that =
are not hidden. We get the text=0A=
                // from the title attribute of the link=0A=
                //var elems2 =3D portN.find('a.popnode:visible');=0A=
                var elems2 =3D jcrb.find('a.popnode:visible');=0A=
                //console.info(elems2);=0A=
=0A=
                if (elems2.length > 0) {=0A=
                    addPopper2(elems2, 0);=0A=
                }=0A=
=0A=
            } // end if jcrb=0A=
=0A=
            // Now, we are back touching on each paragraph, regardless =
whether there =0A=
            // are links with pmids or not we need to get all the =
reference links per =0A=
            // paragraph and do the mouseover which links to reference =
section at the=0A=
            // bottom of the page.  This is a little Eric trick for =
performance. We get =0A=
            // the links in the paragraph and create our own custom loop =
and setTimeout =0A=
            // for each link.  This allows "multithreading" and doesn't =
lock up the =0A=
            // browser.=0A=
            var elems =3D p.find('a.cite-reflink');=0A=
            if (elems.length > 0) {=0A=
                addPopper(elems, 0);=0A=
            }=0A=
=0A=
            //console.groupEnd('para');=0A=
        }; // end paraloop function=0A=
=0A=
        var hideInterfering =3D function(){=0A=
            // At this point all reference divs are positioned in =
document. We now check that =0A=
            // the first two reference portlets (which were already =
queried for in beginning =0A=
            // of the script don't interfere with any other portlets =
that may be at the top of =0A=
            // column.  Loop thru them and compare them against what =
exists in portRanges=0A=
            if (portsInPage =3D=3D=3D true) {=0A=
                portNodes.each( function() {=0A=
                    var citedRefJ =3D $j(this);=0A=
                    // We refer to portRanges, which is an obj in which =
we stored dims of existing=0A=
                    // portlets before positioning reference portlets=0A=
                    for (var i in portRanges){=0A=
                        var range =3D portRanges[i];=0A=
=0A=
                        var existingT =3D range.t;=0A=
                        var existingB =3D range.b;=0A=
=0A=
                        var citedRefT =3D citedRefJ.position().top;=0A=
=0A=
                        // This is the parameter to the rectIntersect =
helper func defined in the beginning=0A=
                        // of the script.  It contains top and bottom =
dims for two rectanges.  The=0A=
                        // rectIntersect returns true if they intersect.=0A=
                        // PMC-6175:  add a little buffer of ten pixels.=0A=
                        var dims =3D {=0A=
                            'L1t': existingT, // we are comparing =
against the existing portlet=0A=
                            'L1b': existingB + 10,  // little buffer to =
be sure.=0A=
                            'L2t': citedRefT,=0A=
                            'L2b': citedRefT + citedRefJ.height()=0A=
                        }=0A=
                        //console.info('L1t: ' + existingT);=0A=
                        //console.info('L1b: ' + existingB);=0A=
                        //console.info('L2t: ' + citedRefT);=0A=
                        //console.info('L2b: ' + (citedRefT + =
citedRefJ.height()));=0A=
=0A=
                        if ( rectIntersect(dims) =3D=3D=3D true) {=0A=
                            //console.info('interferes');=0A=
                            citedRefJ.css('display', 'none');=0A=
                        }=0A=
                    }=0A=
                }); // end iterating through first two existing portlets=0A=
            }=0A=
        }=0A=
=0A=
        // Get the list of all paragraphs in the document.=0A=
        var allParas =3D $j('div.p');=0A=
        var numParas =3D allParas.length;=0A=
=0A=
        var loopdloop =3D function(curr){=0A=
          paraLoop(allParas[curr++]);=0A=
          if (curr >=3D numParas) {=0A=
            hideInterfering();=0A=
          } else {=0A=
            setTimeout( function(){ loopdloop(curr); }, 1);=0A=
          }=0A=
        }=0A=
        //document.title =3D new Date().getTime() - start.toString() + =
'ms';=0A=
        loopdloop(0);=0A=
    };=0A=
=0A=
=0A=
    // We use window.load for Safari, not ready, because in Safari, we =
cannot be =0A=
    // sure all CSS has loaded, and we cannot be sure=0A=
    // dims of images are accounted for when getting top positions of =
paragraphs=0A=
    if ( $j.browser.safari) {=0A=
        $j(window).load(main);=0A=
    } else {=0A=
        $j(main);=0A=
    }=0A=
=0A=
})();=0A=
=0A=

------=_NextPart_000_0007_01CA6D1D.CD7D4AA0--

