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<meta name="DC.Title" content="MR Imaging Characteristics of Pilomyxoid Astrocytomas" />
<meta name="DC.Date" content="2003-10-01" />
<meta name="DC.Publisher" content="American Journal of Neuroradiology" />
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<meta name="DC.Description" content="BACKGROUND AND PURPOSE: Pilomyxoid astrocytoma (PMA) is a recently described tumor that typically occurs in the chiasmatic-hypothalamic region in young children and has unique histopathologic and clinical characteristics. These tumors have been previously diagnosed as pilocytic astrocytoma (PA). PMA appears to have a higher rate of recurrence and CSF dissemination than typical PA.

METHODS: We analyzed MR findings in four patients with PMA and compared them with those of typical chiasmatic-hypothalamic PA.

RESULTS: MR findings of PMA were chiasmatic or hypothalamic enhancing solid tumor with hydrocephalus, highly homogeneous T2 signal intensity that extended into the deep white and gray matter, and CSF dissemination.

CONCLUSION: Larger series are needed before the MR imaging findings of chiasmatic or hypothalamic enhancing solid tumor with hydrocephalus, highly homogeneous T2 signal intensity extending into the deep white and gray matter, and CSF dissemination can be used in the differential diagnosis of such tumors." />
<meta name="DC.Contributor" content="Atilla Arslanoglu" />
<meta name="DC.Contributor" content="Bayram Cirak" />
<meta name="DC.Contributor" content="Alena Horska" />
<meta name="DC.Contributor" content="James Okoh" />
<meta name="DC.Contributor" content="Tarik Tihan" />
<meta name="DC.Contributor" content="Leslie Aronson" />
<meta name="DC.Contributor" content="Anthony M. Avellino" />
<meta name="DC.Contributor" content="Peter C. Burger" />
<meta name="DC.Contributor" content="David M. Yousem" />
<meta name="article:published_time" content="2003-10-01" />
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RESULTS: MR findings of PMA were chiasmatic or hypothalamic enhancing solid tumor with hydrocephalus, highly homogeneous T2 signal intensity that extended into the deep white and gray matter, and CSF dissemination.

CONCLUSION: Larger series are needed before the MR imaging findings of chiasmatic or hypothalamic enhancing solid tumor with hydrocephalus, highly homogeneous T2 signal intensity extending into the deep white and gray matter, and CSF dissemination can be used in the differential diagnosis of such tumors." />
<meta name="og-title" property="og:title" content="MR Imaging Characteristics of Pilomyxoid Astrocytomas" />
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<meta name="og-site-name" property="og:site_name" content="American Journal of Neuroradiology" />
<meta name="og-description" property="og:description" content="BACKGROUND AND PURPOSE: Pilomyxoid astrocytoma (PMA) is a recently described tumor that typically occurs in the chiasmatic-hypothalamic region in young children and has unique histopathologic and clinical characteristics. These tumors have been previously diagnosed as pilocytic astrocytoma (PA). PMA appears to have a higher rate of recurrence and CSF dissemination than typical PA.

METHODS: We analyzed MR findings in four patients with PMA and compared them with those of typical chiasmatic-hypothalamic PA.

RESULTS: MR findings of PMA were chiasmatic or hypothalamic enhancing solid tumor with hydrocephalus, highly homogeneous T2 signal intensity that extended into the deep white and gray matter, and CSF dissemination.

CONCLUSION: Larger series are needed before the MR imaging findings of chiasmatic or hypothalamic enhancing solid tumor with hydrocephalus, highly homogeneous T2 signal intensity extending into the deep white and gray matter, and CSF dissemination can be used in the differential diagnosis of such tumors." />
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      <h1 class="highwire-cite-title" id="page-title">MR Imaging Characteristics of Pilomyxoid Astrocytomas</h1>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0">Atilla Arslanoglu</span>, <span class="highwire-citation-author" data-delta="1">Bayram Cirak</span>, <span class="highwire-citation-author" data-delta="2">Alena Horska</span>, <span class="highwire-citation-author" data-delta="3">James Okoh</span>, <span class="highwire-citation-author" data-delta="4">Tarik Tihan</span>, <span class="highwire-citation-author" data-delta="5">Leslie Aronson</span>, <span class="highwire-citation-author" data-delta="6">Anthony M. Avellino</span>, <span class="highwire-citation-author" data-delta="7">Peter C. Burger</span> and <span class="highwire-citation-author" data-delta="8">David M. Yousem</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">October 2003,  </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">24 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(9) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">1906-1908; </span></div>
  
  
  
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<div id="hw-article-author-popups-top-node-11016--6683364476" style="display: none;"><div class="author-tooltip-0"><div class="author-tooltip-name">Atilla Arslanoglu </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=Atilla%2BArslanoglu%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=Arslanoglu%20A&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%3AAtilla%2BArslanoglu%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">Bayram 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        	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-volume highwire-cite-metadata">Vol. 24</span>, <span  class="highwire-cite-metadata-issue highwire-cite-metadata">Issue 9 </span><div  class="highwire-cite-metadata-pubdate highwire-cite-metadata">1 Oct 2003 </div></div>
      
      
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