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<meta name="DC.Title" content="Does Intracranial Venous Thrombosis Cause Subdural Hemorrhage in the Pediatric Population?" />
<meta name="DC.Identifier" content="10.3174/ajnr.A2967" />
<meta name="DC.Date" content="2012-08-01" />
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<meta name="DC.Description" content="SUMMARY: Unexplained SDH in infants and children is an accepted marker for AHT. It has been proposed that IVT may be the initiating event leading to the development of acute SDH, mimicking the appearance of traumatic SDH. Our study aims to investigate if nontraumatic IVT causes SDH in the pediatric population. We retrospectively identified 36 patients with IVT and reviewed neuroimaging studies for the concurrent presence of SDH. In our 36 patients with IVT, no associated SDH was observed. Even with extensive IVT, no SDH was present. Three false-positive diagnoses of IVT were identified in the setting of mastoiditis and traumatic SDH, demonstrating pitfalls in imaging. In conclusion, our findings do not support the previous AHT literature stating that IVT is associated with, or leads to, SDH in neonates, infants, or children. 

AHT 
:   abusive head trauma
CECT 
:   contrast-enhanced CT
CI 
:   confidence interval
CVT 
:   cortical vein thrombosis
FOV 
:   field of view
GRE 
:   gradient recalled echo
ICV 
:   internal cerebral veins
IVT 
:   intracranial venous thrombosis
MIP 
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SDH 
:   subdural hematoma/hemorrhage
SPGR 
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TOF 
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<meta name="DC.Contributor" content="L.A.  McLean" />
<meta name="DC.Contributor" content="L.D.  Frasier" />
<meta name="DC.Contributor" content="G.L.  Hedlund" />
<meta name="article:published_time" content="2012-08-01" />
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<meta name="citation_title" content="Does Intracranial Venous Thrombosis Cause Subdural Hemorrhage in the Pediatric Population?" />
<meta name="citation_abstract" lang="en" content="&lt;h3&gt;SUMMARY:&lt;/h3&gt;
&lt;p&gt;Unexplained SDH in infants and children is an accepted marker for AHT. It has been proposed that IVT may be the initiating event leading to the development of acute SDH, mimicking the appearance of traumatic SDH. Our study aims to investigate if nontraumatic IVT causes SDH in the pediatric population. We retrospectively identified 36 patients with IVT and reviewed neuroimaging studies for the concurrent presence of SDH. In our 36 patients with IVT, no associated SDH was observed. Even with extensive IVT, no SDH was present. Three false-positive diagnoses of IVT were identified in the setting of mastoiditis and traumatic SDH, demonstrating pitfalls in imaging. In conclusion, our findings do not support the previous AHT literature stating that IVT is associated with, or leads to, SDH in neonates, infants, or children. &lt;/p&gt;" />
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<meta name="twitter:title" content="Does Intracranial Venous Thrombosis Cause Subdural Hemorrhage in the Pediatric Population?" />
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<meta name="twitter:description" content="SUMMARY: Unexplained SDH in infants and children is an accepted marker for AHT. It has been proposed that IVT may be the initiating event leading to the development of acute SDH, mimicking the appearance of traumatic SDH. Our study aims to investigate if nontraumatic IVT causes SDH in the pediatric population. We retrospectively identified 36 patients with IVT and reviewed neuroimaging studies for the concurrent presence of SDH. In our 36 patients with IVT, no associated SDH was observed. Even with extensive IVT, no SDH was present. Three false-positive diagnoses of IVT were identified in the setting of mastoiditis and traumatic SDH, demonstrating pitfalls in imaging. In conclusion, our findings do not support the previous AHT literature stating that IVT is associated with, or leads to, SDH in neonates, infants, or children. 

AHT 
:   abusive head trauma
CECT 
:   contrast-enhanced CT
CI 
:   confidence interval
CVT 
:   cortical vein thrombosis
FOV 
:   field of view
GRE 
:   gradient recalled echo
ICV 
:   internal cerebral veins
IVT 
:   intracranial venous thrombosis
MIP 
:   maximum intensity projection
SDH 
:   subdural hematoma/hemorrhage
SPGR 
:   spoiled gradient-recalled
TOF 
:   time-of-flight" />
<meta name="og-title" property="og:title" content="Does Intracranial Venous Thrombosis Cause Subdural Hemorrhage in the Pediatric Population?" />
<meta name="og-url" property="og:url" content="http://ajnr-stage2.stage.highwire.org/content/33/7/1281" />
<meta name="og-site-name" property="og:site_name" content="American Journal of Neuroradiology" />
<meta name="og-description" property="og:description" content="SUMMARY: Unexplained SDH in infants and children is an accepted marker for AHT. It has been proposed that IVT may be the initiating event leading to the development of acute SDH, mimicking the appearance of traumatic SDH. Our study aims to investigate if nontraumatic IVT causes SDH in the pediatric population. We retrospectively identified 36 patients with IVT and reviewed neuroimaging studies for the concurrent presence of SDH. In our 36 patients with IVT, no associated SDH was observed. Even with extensive IVT, no SDH was present. Three false-positive diagnoses of IVT were identified in the setting of mastoiditis and traumatic SDH, demonstrating pitfalls in imaging. In conclusion, our findings do not support the previous AHT literature stating that IVT is associated with, or leads to, SDH in neonates, infants, or children. 

AHT 
:   abusive head trauma
CECT 
:   contrast-enhanced CT
CI 
:   confidence interval
CVT 
:   cortical vein thrombosis
FOV 
:   field of view
GRE 
:   gradient recalled echo
ICV 
:   internal cerebral veins
IVT 
:   intracranial venous thrombosis
MIP 
:   maximum intensity projection
SDH 
:   subdural hematoma/hemorrhage
SPGR 
:   spoiled gradient-recalled
TOF 
:   time-of-flight" />
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<div id="hw-article-author-popups-top-node-12015--61528740095" style="display: none;"><div class="author-tooltip-0"><div class="author-tooltip-name">L.A.  McLean </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'>aFrom the Department of Radiology (L.A.M.), University of Utah, Salt Lake City, Utah</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=L.A.%2B%2BMcLean%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=McLean%20L&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%3AL.A.%2B%2BMcLean%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">L.D.  Frasier </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'>bDepartment of Pediatrics (L.D.F.), Center for Safe and Healthy Families, Primary Children's Medical Center, University of Utah School of Medicine, Salt Lake City, Utah</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=L.D.%2B%2BFrasier%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=Frasier%20L&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%3AL.D.%2B%2BFrasier%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">G.L.  Hedlund </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'>cPrimary Children's Medical Center (G.L.H.), Adjunct Professor of Radiology, Pediatric Neuroradiologist and Chief of Neuroimaging, Primary Children's Medical Center and University of Utah, Salt Lake City, Utah.</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=G.L.%2B%2BHedlund%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=Hedlund%20G&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%3AG.L.%2B%2BHedlund%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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<p id="p-2"><strong>SUMMARY:</strong> Unexplained SDH in infants and children is an accepted marker for AHT. It has been proposed that IVT may be the initiating event leading to the development of acute SDH, mimicking the appearance of traumatic SDH. Our study aims to investigate if nontraumatic IVT causes SDH in the pediatric population. We retrospectively identified 36 patients with IVT and reviewed neuroimaging studies for the concurrent presence of SDH. In our 36 patients with IVT, no associated SDH was observed. Even with extensive IVT, no SDH was present. Three false-positive diagnoses of IVT were identified in the setting of mastoiditis and traumatic SDH, demonstrating pitfalls in imaging. In conclusion, our findings do not support the previous AHT literature stating that IVT is associated with, or leads to, SDH in neonates, infants, or children. </p>
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<h2>ABBREVIATIONS:</h2>
<dl id="def-list-1"><dt id="def-item-1">AHT <span class="def-item-dt-sep"></span></dt><dd>abusive head trauma<span class="def-item-dd-sep"></span></dd><dt id="def-item-2">CECT <span class="def-item-dt-sep"></span></dt><dd>contrast-enhanced CT<span class="def-item-dd-sep"></span></dd><dt id="def-item-3">CI <span class="def-item-dt-sep"></span></dt><dd>confidence interval<span class="def-item-dd-sep"></span></dd><dt id="def-item-4">CVT <span class="def-item-dt-sep"></span></dt><dd>cortical vein thrombosis<span class="def-item-dd-sep"></span></dd><dt id="def-item-5">FOV <span class="def-item-dt-sep"></span></dt><dd>field of view<span class="def-item-dd-sep"></span></dd><dt id="def-item-6">GRE <span class="def-item-dt-sep"></span></dt><dd>gradient recalled echo<span class="def-item-dd-sep"></span></dd><dt id="def-item-7">ICV <span class="def-item-dt-sep"></span></dt><dd>internal cerebral veins<span class="def-item-dd-sep"></span></dd><dt id="def-item-8">IVT <span class="def-item-dt-sep"></span></dt><dd>intracranial venous thrombosis<span class="def-item-dd-sep"></span></dd><dt id="def-item-9">MIP <span class="def-item-dt-sep"></span></dt><dd>maximum intensity projection<span class="def-item-dd-sep"></span></dd><dt id="def-item-10">SDH <span class="def-item-dt-sep"></span></dt><dd>subdural hematoma/hemorrhage<span class="def-item-dd-sep"></span></dd><dt id="def-item-11">SPGR <span class="def-item-dt-sep"></span></dt><dd>spoiled gradient-recalled<span class="def-item-dd-sep"></span></dd><dt id="def-item-12">TOF <span class="def-item-dt-sep"></span></dt><dd>time-of-flight</dd></dl>
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