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<div id="hw-article-author-popups-top-node-2512--61460689323" style="display: none;"><div class="author-tooltip-0"><div class="author-tooltip-name">Charles W. Kerber </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=Charles%2BW.%2BKerber%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=Kerber%20CW&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%3ACharles%2BW.%2BKerber%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">Steven G. Imbesi </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=Steven%2BG.%2BImbesi%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=Imbesi%20SG&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%3ASteven%2BG.%2BImbesi%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">Kim Knox </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=Kim%2BKnox%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=Knox%20K&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%3AKim%2BKnox%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="elements-frag-data highwire-markup" id="fig-data"><div id="fig-data-figures" class="group frag-figure"><div class="fig-data-title-jump clearfix"><h3 class="fig-data-group-title">Figures</h3><div class="fig-data-jump-links"></div></div><div class="item-list"><ul class="fig-data-list clearfix" id="fragments-fig"><li class="first"><div class="element-fig-data clearfix figure-caption"><div class="highwire-markup"><div xmlns="http://www.w3.org/1999/xhtml" class="content-block-markup" xmlns:xhtml="http://www.w3.org/1999/xhtml"><div class="fig-expansion" id="F1"><span class="highwire-journal-article-marker-start"></span><div class="highwire-figure"><div class="fig-inline-img-wrapper"><div class="fig-inline-img"><a href="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F1.large.jpg?width=800&amp;height=600&amp;carousel=1" title="Angiogram of the left ICA, obtained before death, shows a multilobulated aneurysm at the junction of the right ACA and anterior communicating artery." class="highwire-fragment fragment-images colorbox-load" rel="gallery-fragment-images-376207857" data-figure-caption="&lt;div class=&quot;highwire-markup&quot;&gt;Angiogram of the left ICA, obtained before death, shows a multilobulated aneurysm at the junction of the right ACA and anterior communicating artery.&lt;/div&gt;" data-icon-position="" data-hide-link-title="0"><span class="hw-responsive-img"><img class="highwire-fragment fragment-image lazyload" alt="fig 1." src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F1.medium.gif" width="650" height="568"/><noscript><img class="highwire-fragment fragment-image" alt="fig 1." src="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F1.medium.gif" width="650" height="568"/></noscript></span></a></div></div><ul class="highwire-figure-links inline"><li class="download-fig first"><a href="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F1.large.jpg?download=true" class="highwire-figure-link highwire-figure-link-download" title="Download fig 1." data-icon-position="" data-hide-link-title="0">Download figure</a></li><li class="new-tab"><a href="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F1.large.jpg" class="highwire-figure-link highwire-figure-link-newtab" target="_blank" data-icon-position="" data-hide-link-title="0">Open in new tab</a></li><li class="download-ppt last"><a href="/highwire/powerpoint/16777" class="highwire-figure-link highwire-figure-link-ppt" data-icon-position="" data-hide-link-title="0">Download powerpoint</a></li></ul></div><div class="fig-caption" xmlns:xhtml="http://www.w3.org/1999/xhtml"><span class="fig-label"><span class="sc">fig</span> 1.</span> <p id="p-11">Angiogram of the left ICA, obtained before death, shows a multilobulated aneurysm at the junction of the right ACA and anterior communicating artery.</p><div class="sb-div caption-clear"></div></div><span class="highwire-journal-article-marker-end"></span></div><span class="related-urls"></span></div></div></div></li><li><div class="element-fig-data clearfix figure-caption"><div class="highwire-markup"><div xmlns="http://www.w3.org/1999/xhtml" class="content-block-markup" xmlns:xhtml="http://www.w3.org/1999/xhtml"><div class="fig-expansion" id="F2"><span class="highwire-journal-article-marker-start"></span><div class="highwire-figure"><div class="fig-inline-img-wrapper"><div class="fig-inline-img"><a href="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F2.large.jpg?width=800&amp;height=600&amp;carousel=1" title="Symmetric flow between the afferent ICAs and the efferent ACAs and MCAs results in no significant slipstream entry into the anterior communicating artery aneurysm." class="highwire-fragment fragment-images colorbox-load" rel="gallery-fragment-images-376207857" data-figure-caption="&lt;div class=&quot;highwire-markup&quot;&gt;Symmetric flow between the afferent ICAs and the efferent ACAs and MCAs results in no significant slipstream entry into the anterior communicating artery aneurysm.&lt;/div&gt;" data-icon-position="" data-hide-link-title="0"><span class="hw-responsive-img"><img class="highwire-fragment fragment-image lazyload" alt="fig 2." src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F2.medium.gif" width="650" height="441"/><noscript><img class="highwire-fragment fragment-image" alt="fig 2." src="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F2.medium.gif" width="650" height="441"/></noscript></span></a></div></div><ul class="highwire-figure-links inline"><li class="download-fig first"><a href="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F2.large.jpg?download=true" class="highwire-figure-link highwire-figure-link-download" title="Download fig 2." data-icon-position="" data-hide-link-title="0">Download figure</a></li><li class="new-tab"><a href="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F2.large.jpg" class="highwire-figure-link highwire-figure-link-newtab" target="_blank" data-icon-position="" data-hide-link-title="0">Open in new tab</a></li><li class="download-ppt last"><a href="/highwire/powerpoint/16780" class="highwire-figure-link highwire-figure-link-ppt" data-icon-position="" data-hide-link-title="0">Download powerpoint</a></li></ul></div><div class="fig-caption" xmlns:xhtml="http://www.w3.org/1999/xhtml"><span class="fig-label"><span class="sc">fig</span> 2.</span> <p id="p-12">Symmetric flow between the afferent ICAs and the efferent ACAs and MCAs results in no significant slipstream entry into the anterior communicating artery aneurysm.</p><div class="sb-div caption-clear"></div></div><span class="highwire-journal-article-marker-end"></span></div><span class="related-urls"></span></div></div></div></li><li><div class="element-fig-data clearfix figure-caption"><div class="highwire-markup"><div xmlns="http://www.w3.org/1999/xhtml" class="content-block-markup" xmlns:xhtml="http://www.w3.org/1999/xhtml"><div class="fig-expansion" id="F3"><span class="highwire-journal-article-marker-start"></span><div class="highwire-figure"><div class="fig-inline-img-wrapper"><div class="fig-inline-img"><a href="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F3.large.jpg?width=800&amp;height=600&amp;carousel=1" title="Asymmetric ICA flow. Images show opacified slipstreams entering the aneurysm neck and swirling within the aneurysm, with flow in the right ICA being twice that of flow in the left ICA. Although there is flow in both the ACAs and MCAs, for purposes of comparison with figure 4, individual slipstreams that primarily flow into the ACAs from the ICAs were opacified. A, Image obtained 0.5 second before that shown in B.B, Image obtained 0.5 second after that shown in A. Note the rapid run-off of dye within the right ICA compared with the left ICA." class="highwire-fragment fragment-images colorbox-load" rel="gallery-fragment-images-376207857" data-figure-caption="&lt;div class=&quot;highwire-markup&quot;&gt;Asymmetric ICA flow. Images show opacified slipstreams entering the aneurysm neck and swirling within the aneurysm, with flow in the right ICA being twice that of flow in the left ICA. Although there is flow in both the ACAs and MCAs, for purposes of comparison with figure 4, individual slipstreams that primarily flow into the ACAs from the ICAs were opacified. A, Image obtained 0.5 second before that shown in B.B, Image obtained 0.5 second after that shown in A. Note the rapid run-off of dye within the right ICA compared with the left ICA.&lt;/div&gt;" data-icon-position="" data-hide-link-title="0"><span class="hw-responsive-img"><img class="highwire-fragment fragment-image lazyload" alt="fig 3." src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F3.medium.gif" width="650" height="225"/><noscript><img class="highwire-fragment fragment-image" alt="fig 3." src="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F3.medium.gif" width="650" height="225"/></noscript></span></a></div></div><ul class="highwire-figure-links inline"><li class="download-fig first"><a href="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F3.large.jpg?download=true" class="highwire-figure-link highwire-figure-link-download" title="Download fig 3." data-icon-position="" data-hide-link-title="0">Download figure</a></li><li class="new-tab"><a href="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F3.large.jpg" class="highwire-figure-link highwire-figure-link-newtab" target="_blank" data-icon-position="" data-hide-link-title="0">Open in new tab</a></li><li class="download-ppt last"><a href="/highwire/powerpoint/16782" class="highwire-figure-link highwire-figure-link-ppt" data-icon-position="" data-hide-link-title="0">Download powerpoint</a></li></ul></div><div class="fig-caption" xmlns:xhtml="http://www.w3.org/1999/xhtml"><span class="fig-label"><span class="sc">fig</span> 3.</span> <p id="p-13">Asymmetric ICA flow. Images show opacified slipstreams entering the aneurysm neck and swirling within the aneurysm, with flow in the right ICA being twice that of flow in the left ICA. Although there is flow in both the ACAs and MCAs, for purposes of comparison with <a id="xref-fig-4-2" class="xref-fig" href="#F4">figure 4</a>, individual slipstreams that primarily flow into the ACAs from the ICAs were opacified. </p><p id="p-14"><em>A,</em> Image obtained 0.5 second before that shown in <em>B.</em></p><p id="p-15"><em>B,</em> Image obtained 0.5 second after that shown in <em>A.</em> Note the rapid run-off of dye within the right ICA compared with the left ICA.</p><div class="sb-div caption-clear"></div></div><span class="highwire-journal-article-marker-end"></span></div><span class="related-urls"></span></div></div></div></li><li><div class="element-fig-data clearfix figure-caption"><div class="highwire-markup"><div xmlns="http://www.w3.org/1999/xhtml" class="content-block-markup" xmlns:xhtml="http://www.w3.org/1999/xhtml"><div class="fig-expansion" id="F4"><span class="highwire-journal-article-marker-start"></span><div class="highwire-figure"><div class="fig-inline-img-wrapper"><div class="fig-inline-img"><a href="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F4.large.jpg?width=800&amp;height=600&amp;carousel=1" title="Asymmetrical ACA flow. A, Flow in the right ACA is reduced by 20% compared with flow in the left ACA, with slipstream entry into the aneurysm from the right ICA.B, Flow in the left ACA is reduced by 20% compared with flow in the right ACA, with slipstream entry into the aneurysm from the left ICA." class="highwire-fragment fragment-images colorbox-load" rel="gallery-fragment-images-376207857" data-figure-caption="&lt;div class=&quot;highwire-markup&quot;&gt;Asymmetrical ACA flow. A, Flow in the right ACA is reduced by 20% compared with flow in the left ACA, with slipstream entry into the aneurysm from the right ICA.B, Flow in the left ACA is reduced by 20% compared with flow in the right ACA, with slipstream entry into the aneurysm from the left ICA.&lt;/div&gt;" data-icon-position="" data-hide-link-title="0"><span class="hw-responsive-img"><img class="highwire-fragment fragment-image lazyload" alt="fig 4." src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F4.medium.gif" width="650" height="223"/><noscript><img class="highwire-fragment fragment-image" alt="fig 4." src="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F4.medium.gif" width="650" height="223"/></noscript></span></a></div></div><ul class="highwire-figure-links inline"><li class="download-fig first"><a href="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F4.large.jpg?download=true" class="highwire-figure-link highwire-figure-link-download" title="Download fig 4." data-icon-position="" data-hide-link-title="0">Download figure</a></li><li class="new-tab"><a href="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F4.large.jpg" class="highwire-figure-link highwire-figure-link-newtab" target="_blank" data-icon-position="" data-hide-link-title="0">Open in new tab</a></li><li class="download-ppt last"><a href="/highwire/powerpoint/16784" class="highwire-figure-link highwire-figure-link-ppt" data-icon-position="" data-hide-link-title="0">Download powerpoint</a></li></ul></div><div class="fig-caption" xmlns:xhtml="http://www.w3.org/1999/xhtml"><span class="fig-label"><span class="sc">fig</span> 4.</span> <p id="p-16">Asymmetrical ACA flow. </p><p id="p-17"><em>A,</em> Flow in the right ACA is reduced by 20% compared with flow in the left ACA, with slipstream entry into the aneurysm from the right ICA.</p><p id="p-18"><em>B,</em> Flow in the left ACA is reduced by 20% compared with flow in the right ACA, with slipstream entry into the aneurysm from the left ICA.</p><div class="sb-div caption-clear"></div></div><span class="highwire-journal-article-marker-end"></span></div><span class="related-urls"></span></div></div></div></li><li class="last"><div class="element-fig-data clearfix figure-caption"><div class="highwire-markup"><div xmlns="http://www.w3.org/1999/xhtml" class="content-block-markup" xmlns:xhtml="http://www.w3.org/1999/xhtml"><div class="fig-expansion" id="F5"><span class="highwire-journal-article-marker-start"></span><div class="highwire-figure"><div class="fig-inline-img-wrapper"><div class="fig-inline-img"><a href="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F5.large.jpg?width=800&amp;height=600&amp;carousel=1" title="Image pairs and further anatomic clarification. A, CT angiogram of the anterior communicating artery replica and the surrounding vessels.B, 3D projection and rotation showing excellent detail of the aneurysm neck and its relationship to the parent vessels." class="highwire-fragment fragment-images colorbox-load" rel="gallery-fragment-images-376207857" data-figure-caption="&lt;div class=&quot;highwire-markup&quot;&gt;Image pairs and further anatomic clarification. A, CT angiogram of the anterior communicating artery replica and the surrounding vessels.B, 3D projection and rotation showing excellent detail of the aneurysm neck and its relationship to the parent vessels.&lt;/div&gt;" data-icon-position="" data-hide-link-title="0"><span class="hw-responsive-img"><img class="highwire-fragment fragment-image lazyload" alt="fig 5." src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F5.medium.gif" width="650" height="225"/><noscript><img class="highwire-fragment fragment-image" alt="fig 5." src="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F5.medium.gif" width="650" height="225"/></noscript></span></a></div></div><ul class="highwire-figure-links inline"><li class="download-fig first"><a href="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F5.large.jpg?download=true" class="highwire-figure-link highwire-figure-link-download" title="Download fig 5." data-icon-position="" data-hide-link-title="0">Download figure</a></li><li class="new-tab"><a href="http://ajnr-stage2.stage.highwire.org/content/ajnr/20/10/2000/F5.large.jpg" class="highwire-figure-link highwire-figure-link-newtab" target="_blank" data-icon-position="" data-hide-link-title="0">Open in new tab</a></li><li class="download-ppt last"><a href="/highwire/powerpoint/16785" class="highwire-figure-link highwire-figure-link-ppt" data-icon-position="" data-hide-link-title="0">Download powerpoint</a></li></ul></div><div class="fig-caption" xmlns:xhtml="http://www.w3.org/1999/xhtml"><span class="fig-label"><span class="sc">fig</span> 5.</span> <p id="p-19">Image pairs and further anatomic clarification. </p><p id="p-20"><em>A,</em> CT angiogram of the anterior communicating artery replica and the surrounding vessels.</p><p id="p-21"><em>B,</em> 3D projection and rotation showing excellent detail of the aneurysm neck and its relationship to the parent vessels.</p><div class="sb-div caption-clear"></div></div><span class="highwire-journal-article-marker-end"></span></div><span class="related-urls"></span></div></div></div></li></ul></div></div></div>  </div>

  
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