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Sacral Dural Arteriovenous Fistula: Report of 4 Cases Toru SASAMORI 1 , Kazutoshi HIDA 1 , Takeshi ASANO 1 , Takeshi AOYAMA 1 , Tomohiro YAMAUCHI 1 , Motoyuki IWASAKI 1 , Shunsuke YANO 2 , Yoshinobu IWASAKI 2 , Kiyohiro HOUKIN 1 1Department of Neurosurgery,Graduate School of Medicine,Hokkaido University 2Department of Neurosurgery,Sapporo Azabu Neurosurgical Hospital Keyword: sacral , spinal dural arteriovenous fistula , lateral sacral artery , endovascular embolization pp.505-511
Published Date 2011/5/10
DOI https://doi.org/10.11477/mf.1436101435
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 Spinal dural arteriovenous fistula (SDAVF) in the sacral region is relatively rare and remains difficult to diagnose because of the uncommon origin of its feeder. It also has higher incidence of recurrence than usual thoraco-lumbar lesion and needs subsequent treatment. We reviewed 51 cases of SDAVF over the past 10 years. Especially in patients with sacral lesion,clinical features and the findings on spinal angiography were analyzed. Four patients (7.8%) had SDAVF in the sacral region. In all cases,SDAVF were supplied by the lateral sacral artery. Multiple feeders were observed in 3 (75%) out of 4 patients and 2 patients (50%) had multiple fistulas. Endovascular embolizations were performed in all patients,and neurological symptoms were improved in two patients (50%) and the other two were stabilized (50%). There was no recurrence during a follow-up period of 3 months to 8 years. We should keep in mind that SDAVF in the sacral region can have multiple shunts and feeders derived from the lateral sacral artery.


Copyright © 2011, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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