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<meta name="DC.Title" content="Diagnosing intracranial vasculitis: the roles of MR and angiography." />
<meta name="DC.Date" content="1994-02-01" />
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<meta name="DC.Description" content="PURPOSE To describe our experience with MR and angiography in diagnosing intracranial vasculitis and to test the hypothesis that MR can be used to screen for patients unlikely to have vasculitis.

METHODS Ninety-two patients who had angiography with &quot;exclude vasculitis&quot; as the indication or who had angiography and a clinical diagnosis of vasculitis were identified. Angiograms of all 92 patients and the MRs of the 70 patients who had both studies were reviewed.

RESULTS Eleven patients had intracranial vasculitis. Angiography showed characteristic changes in 8. MR, performed in 9 of 11 vasculitis cases, was significantly abnormal in all 9. Among 70 patients who had both studies, 19 had MR that was completely normal or showed only incidental findings. None of these 19 was diagnosed with vasculitis. The diagnostic yield of angiography performed to exclude vasculitis was only 6%.

CONCLUSIONS Evaluation for intracranial vasculitis should include MR. A negative MR excludes intracranial vasculitis more definitively than does a negative angiogram and makes the likelihood of finding vasculitis with angiography negligible." />
<meta name="DC.Contributor" content="K G Harris" />
<meta name="DC.Contributor" content="D D Tran" />
<meta name="DC.Contributor" content="W J Sickels" />
<meta name="DC.Contributor" content="S H Cornell" />
<meta name="DC.Contributor" content="W T Yuh" />
<meta name="article:published_time" content="1994-02-01" />
<meta name="citation_title" content="Diagnosing intracranial vasculitis: the roles of MR and angiography." />
<meta name="citation_abstract" lang="en" content="&lt;h3&gt;PURPOSE&lt;/h3&gt;
&lt;p&gt;To describe our experience with MR and angiography in diagnosing intracranial vasculitis and to test the hypothesis that MR can be used to screen for patients unlikely to have vasculitis.&lt;/p&gt;&lt;h3&gt;METHODS&lt;/h3&gt;
&lt;p&gt;Ninety-two patients who had angiography with &quot;exclude vasculitis&quot; as the indication or who had angiography and a clinical diagnosis of vasculitis were identified. Angiograms of all 92 patients and the MRs of the 70 patients who had both studies were reviewed.&lt;/p&gt;&lt;h3&gt;RESULTS&lt;/h3&gt;
&lt;p&gt;Eleven patients had intracranial vasculitis. Angiography showed characteristic changes in 8. MR, performed in 9 of 11 vasculitis cases, was significantly abnormal in all 9. Among 70 patients who had both studies, 19 had MR that was completely normal or showed only incidental findings. None of these 19 was diagnosed with vasculitis. The diagnostic yield of angiography performed to exclude vasculitis was only 6%.&lt;/p&gt;&lt;h3&gt;CONCLUSIONS&lt;/h3&gt;
&lt;p&gt;Evaluation for intracranial vasculitis should include MR. A negative MR excludes intracranial vasculitis more definitively than does a negative angiogram and makes the likelihood of finding vasculitis with angiography negligible.&lt;/p&gt;" />
<meta name="citation_journal_title" content="American Journal of Neuroradiology" />
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<meta name="citation_author" content="K G Harris" />
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<meta name="citation_author" content="D D Tran" />
<meta name="citation_author_institution" content="Department of Radiology, University of Iowa College of Medicine, Iowa City 52242-1077." />
<meta name="citation_author" content="W J Sickels" />
<meta name="citation_author_institution" content="Department of Radiology, University of Iowa College of Medicine, Iowa City 52242-1077." />
<meta name="citation_author" content="S H Cornell" />
<meta name="citation_author_institution" content="Department of Radiology, University of Iowa College of Medicine, Iowa City 52242-1077." />
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<meta name="twitter:title" content="Diagnosing intracranial vasculitis: the roles of MR and angiography." />
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<meta name="twitter:description" content="PURPOSE To describe our experience with MR and angiography in diagnosing intracranial vasculitis and to test the hypothesis that MR can be used to screen for patients unlikely to have vasculitis.

METHODS Ninety-two patients who had angiography with &quot;exclude vasculitis&quot; as the indication or who had angiography and a clinical diagnosis of vasculitis were identified. Angiograms of all 92 patients and the MRs of the 70 patients who had both studies were reviewed.

RESULTS Eleven patients had intracranial vasculitis. Angiography showed characteristic changes in 8. MR, performed in 9 of 11 vasculitis cases, was significantly abnormal in all 9. Among 70 patients who had both studies, 19 had MR that was completely normal or showed only incidental findings. None of these 19 was diagnosed with vasculitis. The diagnostic yield of angiography performed to exclude vasculitis was only 6%.

CONCLUSIONS Evaluation for intracranial vasculitis should include MR. A negative MR excludes intracranial vasculitis more definitively than does a negative angiogram and makes the likelihood of finding vasculitis with angiography negligible." />
<meta name="og-title" property="og:title" content="Diagnosing intracranial vasculitis: the roles of MR and angiography." />
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<meta name="og-description" property="og:description" content="PURPOSE To describe our experience with MR and angiography in diagnosing intracranial vasculitis and to test the hypothesis that MR can be used to screen for patients unlikely to have vasculitis.

METHODS Ninety-two patients who had angiography with &quot;exclude vasculitis&quot; as the indication or who had angiography and a clinical diagnosis of vasculitis were identified. Angiograms of all 92 patients and the MRs of the 70 patients who had both studies were reviewed.

RESULTS Eleven patients had intracranial vasculitis. Angiography showed characteristic changes in 8. MR, performed in 9 of 11 vasculitis cases, was significantly abnormal in all 9. Among 70 patients who had both studies, 19 had MR that was completely normal or showed only incidental findings. None of these 19 was diagnosed with vasculitis. The diagnostic yield of angiography performed to exclude vasculitis was only 6%.

CONCLUSIONS Evaluation for intracranial vasculitis should include MR. A negative MR excludes intracranial vasculitis more definitively than does a negative angiogram and makes the likelihood of finding vasculitis with angiography negligible." />
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      <h1 class="highwire-cite-title" id="page-title">Diagnosing intracranial vasculitis: the roles of MR and angiography.</h1>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0">K G Harris</span>, <span class="highwire-citation-author" data-delta="1">D D Tran</span>, <span class="highwire-citation-author" data-delta="2">W J Sickels</span>, <span class="highwire-citation-author" data-delta="3">S H Cornell</span> and <span class="highwire-citation-author" data-delta="4">W T Yuh</span></span></div>
  
    	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-journal highwire-cite-metadata">American Journal of Neuroradiology </span><span  class="highwire-cite-metadata-date highwire-cite-metadata">February 1994,  </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">15 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(2) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">317-330; </span></div>
  
  
  
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<div id="hw-article-author-popups-top-node-5938--6443889904" style="display: none;"><div class="author-tooltip-0"><div class="author-tooltip-name">K G Harris </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'>Department of Radiology, University of Iowa College of Medicine, Iowa City 52242-1077.</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=K%2BG%2BHarris%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Harris%20KG&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3AK%2BG%2BHarris%2B" 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          <p id="p-1"><strong>PURPOSE</strong> To describe our experience with MR and angiography in diagnosing intracranial vasculitis and to test the hypothesis that MR can be used to screen for patients unlikely to have vasculitis.</p>
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          <p id="p-2"><strong>METHODS</strong> Ninety-two patients who had angiography with "exclude vasculitis" as the indication or who had angiography and a clinical diagnosis of vasculitis were identified. Angiograms of all 92 patients and the MRs of the 70 patients who had both studies were reviewed.</p>
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          <p id="p-3"><strong>RESULTS</strong> Eleven patients had intracranial vasculitis. Angiography showed characteristic changes in 8. MR, performed in 9 of 11 vasculitis cases, was significantly abnormal in all 9. Among 70 patients who had both studies, 19 had MR that was completely normal or showed only incidental findings. None of these 19 was diagnosed with vasculitis. The diagnostic yield of angiography performed to exclude vasculitis was only 6%.</p>
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          <p id="p-4"><strong>CONCLUSIONS</strong> Evaluation for intracranial vasculitis should include MR. A negative MR excludes intracranial vasculitis more definitively than does a negative angiogram and makes the likelihood of finding vasculitis with angiography negligible.</p>
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