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Japanese

Trapping of Ruptured Dissecting Aneurysm of Distal Anterior Inferior Cerebellar Artery―Case Report Satoru Takeuchi 1 , Yoshio Takasato 1 , Hiroyuki Masaoka 1 , Takanori Hayakawa 1 , Naoki Otani 1 , Yoshikazu Yoshino 1 , Hiroshi Yatsushige 1 1Department of Neurosurgery,National Hospital Organization Disaster Medical Center Keyword: distal , anterior inferior cerebellar artery , subarachnoid hemorrhage , trapping pp.203-207
Published Date 2009/2/1
DOI https://doi.org/10.11477/mf.1416100434
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Abstract

 We report a rare case of dissecting aneurysm of the distal anterior inferior cerebellar artery (AICA). A 63-year-old woman who complained of severe headache and nausea was admitted to our hospital. A computed tomography (CT) scan revealed subarachnoid hemorrhage, intraventricular hemorrhage, and acute hydrocephalus. Left vertebral angiogram revealed a dissecting aneurysm at the meatal loop of the distal AICA. On the next day, left suboccipital craniotomy was performed, and the fusiform aneurysm was trapped. The patient did not exhibit cranial nerve palsy after the operation. A left vertebral angiogram obtained after the operation showed that the dissecting aneurysm of the distal AICA had completely disappeared.

 Dissecting aneurysm of the distal AICA is a rare condition. Thus far, only 9 cases have been reported in the literature. We reviewed these cases and discussed the treatment for and outcome of dissecting aneurysms of the distal AICA.

(Received: November 6,2007,Accepted: September 30,2008)


Copyright © 2009, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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