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<meta name="DC.Title" content="Olfactory neuroblastoma: MR evaluation." />
<meta name="DC.Date" content="1993-09-01" />
<meta name="DC.Publisher" content="American Journal of Neuroradiology" />
<meta name="DC.Rights" content="Copyright © American Society of Neuroradiology" />
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<meta name="DC.Description" content="PURPOSE To evaluate MR in the diagnosis and staging of olfactory neuroblastoma.

METHODS Five patients with histologically proved olfactory neuroblastomas were studied by MR. Four also had CT scans.

RESULTS The extent of disease delineated by MR agreed with surgical findings and surgical staging of the tumor in all five patients. All cases of olfactory neuroblastomas originated in the nasal cavity and involved the ethmoid sinuses. In three of the five cases, the tumors extended to the anterior skull base. In one case MR correctly suggested skull base involvement missed on CT. Lesions were isointense to hyperintense with muscle on T1-weighted scans. Compared with fat on T2-weighted scans, olfactory neuroblastomas were variable in signal intensity. Enhancement was minimal to moderate in all cases.

CONCLUSION In the evaluation of olfactory neuroblastoma, MR is most useful in delineating the extent of the tumor and may be more accurate than CT. However, the signal intensity characteristics of olfactory neuroblastomas may overlap other tumors." />
<meta name="DC.Contributor" content="C Li" />
<meta name="DC.Contributor" content="D M Yousem" />
<meta name="DC.Contributor" content="R E Hayden" />
<meta name="DC.Contributor" content="R L Doty" />
<meta name="article:published_time" content="1993-09-01" />
<meta name="citation_title" content="Olfactory neuroblastoma: MR evaluation." />
<meta name="citation_abstract" lang="en" content="&lt;h3&gt;PURPOSE&lt;/h3&gt;
&lt;p&gt;To evaluate MR in the diagnosis and staging of olfactory neuroblastoma.&lt;/p&gt;&lt;h3&gt;METHODS&lt;/h3&gt;
&lt;p&gt;Five patients with histologically proved olfactory neuroblastomas were studied by MR. Four also had CT scans.&lt;/p&gt;&lt;h3&gt;RESULTS&lt;/h3&gt;
&lt;p&gt;The extent of disease delineated by MR agreed with surgical findings and surgical staging of the tumor in all five patients. All cases of olfactory neuroblastomas originated in the nasal cavity and involved the ethmoid sinuses. In three of the five cases, the tumors extended to the anterior skull base. In one case MR correctly suggested skull base involvement missed on CT. Lesions were isointense to hyperintense with muscle on T1-weighted scans. Compared with fat on T2-weighted scans, olfactory neuroblastomas were variable in signal intensity. Enhancement was minimal to moderate in all cases.&lt;/p&gt;&lt;h3&gt;CONCLUSION&lt;/h3&gt;
&lt;p&gt;In the evaluation of olfactory neuroblastoma, MR is most useful in delineating the extent of the tumor and may be more accurate than CT. However, the signal intensity characteristics of olfactory neuroblastomas may overlap other tumors.&lt;/p&gt;" />
<meta name="citation_journal_title" content="American Journal of Neuroradiology" />
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<meta name="citation_author" content="C Li" />
<meta name="citation_author_institution" content="Department of Otorhinolaryngology and Head and Neck Surgery, Hospital of the University of Pennsylvania, Philadelphia 19104." />
<meta name="citation_author" content="D M Yousem" />
<meta name="citation_author_institution" content="Department of Otorhinolaryngology and Head and Neck Surgery, Hospital of the University of Pennsylvania, Philadelphia 19104." />
<meta name="citation_author" content="R E Hayden" />
<meta name="citation_author_institution" content="Department of Otorhinolaryngology and Head and Neck Surgery, Hospital of the University of Pennsylvania, Philadelphia 19104." />
<meta name="citation_author" content="R L Doty" />
<meta name="citation_author_institution" content="Department of Otorhinolaryngology and Head and Neck Surgery, Hospital of the University of Pennsylvania, Philadelphia 19104." />
<meta name="twitter:title" content="Olfactory neuroblastoma: MR evaluation." />
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<meta name="twitter:description" content="PURPOSE To evaluate MR in the diagnosis and staging of olfactory neuroblastoma.

METHODS Five patients with histologically proved olfactory neuroblastomas were studied by MR. Four also had CT scans.

RESULTS The extent of disease delineated by MR agreed with surgical findings and surgical staging of the tumor in all five patients. All cases of olfactory neuroblastomas originated in the nasal cavity and involved the ethmoid sinuses. In three of the five cases, the tumors extended to the anterior skull base. In one case MR correctly suggested skull base involvement missed on CT. Lesions were isointense to hyperintense with muscle on T1-weighted scans. Compared with fat on T2-weighted scans, olfactory neuroblastomas were variable in signal intensity. Enhancement was minimal to moderate in all cases.

CONCLUSION In the evaluation of olfactory neuroblastoma, MR is most useful in delineating the extent of the tumor and may be more accurate than CT. However, the signal intensity characteristics of olfactory neuroblastomas may overlap other tumors." />
<meta name="og-title" property="og:title" content="Olfactory neuroblastoma: MR evaluation." />
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<meta name="og-description" property="og:description" content="PURPOSE To evaluate MR in the diagnosis and staging of olfactory neuroblastoma.

METHODS Five patients with histologically proved olfactory neuroblastomas were studied by MR. Four also had CT scans.

RESULTS The extent of disease delineated by MR agreed with surgical findings and surgical staging of the tumor in all five patients. All cases of olfactory neuroblastomas originated in the nasal cavity and involved the ethmoid sinuses. In three of the five cases, the tumors extended to the anterior skull base. In one case MR correctly suggested skull base involvement missed on CT. Lesions were isointense to hyperintense with muscle on T1-weighted scans. Compared with fat on T2-weighted scans, olfactory neuroblastomas were variable in signal intensity. Enhancement was minimal to moderate in all cases.

CONCLUSION In the evaluation of olfactory neuroblastoma, MR is most useful in delineating the extent of the tumor and may be more accurate than CT. However, the signal intensity characteristics of olfactory neuroblastomas may overlap other tumors." />
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      <h1 class="highwire-cite-title" id="page-title">Olfactory neuroblastoma: MR evaluation.</h1>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0">C Li</span>, <span class="highwire-citation-author" data-delta="1">D M Yousem</span>, <span class="highwire-citation-author" data-delta="2">R E Hayden</span> and <span class="highwire-citation-author" data-delta="3">R L Doty</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">September 1993,  </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">14 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(5) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">1167-1171; </span></div>
  
  
  
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<div id="hw-article-author-popups-top-node-5859--6730585375" style="display: none;"><div class="author-tooltip-0"><div class="author-tooltip-name">C Li </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'>Department of Otorhinolaryngology and Head and Neck Surgery, Hospital of the University of Pennsylvania, Philadelphia 19104.</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=C%2BLi%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=Li%20C&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%3AC%2BLi%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-1"><div class="author-tooltip-name">D M Yousem </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'>Department of Otorhinolaryngology and Head and Neck Surgery, Hospital of the University of Pennsylvania, Philadelphia 19104.</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=D%2BM%2BYousem%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=Yousem%20DM&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%3AD%2BM%2BYousem%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-2"><div class="author-tooltip-name">R E Hayden </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'>Department of Otorhinolaryngology and Head and Neck Surgery, Hospital of the University of Pennsylvania, Philadelphia 19104.</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=R%2BE%2BHayden%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=Hayden%20RE&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%3AR%2BE%2BHayden%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-3"><div class="author-tooltip-name">R L Doty </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'>Department of Otorhinolaryngology and Head and Neck Surgery, Hospital of the University of Pennsylvania, Philadelphia 19104.</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=R%2BL%2BDoty%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=Doty%20RL&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%3AR%2BL%2BDoty%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div></div></div>  </div>

  
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        	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-volume highwire-cite-metadata">Vol. 14</span>, <span  class="highwire-cite-metadata-issue highwire-cite-metadata">Issue 5 </span><div  class="highwire-cite-metadata-pubdate highwire-cite-metadata">1 Sep 1993 </div></div>
      
      
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    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0"><span class="nlm-given-names">C</span> <span class="nlm-surname">Li</span></span>, <span class="highwire-citation-author" data-delta="1"><span class="nlm-given-names">D M</span> <span class="nlm-surname">Yousem</span></span>, <span class="highwire-citation-author" data-delta="2"><span class="nlm-given-names">R E</span> <span class="nlm-surname">Hayden</span></span>, <span class="highwire-citation-author" data-delta="3"><span class="nlm-given-names">R L</span> <span class="nlm-surname">Doty</span></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">Sep 1993, </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">14 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(5) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">1167-1171; </span></div>
  
  
  
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