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CASE REPORT
Year : 2011  |  Volume : 2  |  Issue : 1  |  Page : 126

Ruptured cerebral aneurysm associated with a persistent primitive trigeminal artery variant


Department of Neurosurgery, Faculty of Life Sciences, Kumamoto University School of Medicine, 1-1-1, Honjo, Kumamoto 861-8556, Japan

Correspondence Address:
Yu Hasegawa
Department of Neurosurgery, Faculty of Life Sciences, Kumamoto University School of Medicine, 1-1-1, Honjo, Kumamoto 861-8556
Japan
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© 2011 Yamamoto et al; This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


DOI: 10.4103/2152-7806.85058

PMID: 22059121

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Background : Primitive trigeminal artery variants (PTAVs) are one of the rare persistent fetal anastomoses between the carotid and vertebrobasilar circulations. They originate from the internal carotid artery and join one of the cerebellar arteries instead of the basilar artery. Case Description : We present an 82-year-old woman with subarachnoid hemorrhage due to a ruptured aneurysm originating at a PTAV. Three-dimensional computed tomography angiogram and cerebral angiography revealed bilateral PTAV and two aneurysms originating at the left PTAV. The proximal and distal aneurysms were saccular and fusiform, respectively. She underwent surgical treatment and her postoperative course was uneventful. Conclusion : Our case demonstrates that extremely rare cerebral aneurysms associated with PTAV can be addressed successfully by surgical intervention.



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