Subarachnoid Hemorrhage due to Ruptured Dissecting Aneurysm of Peripheral Superior Cerebellar Artery Tomohiro ARAKI 1 , Hiroaki FUJIWARA 2 , Hiroto MURATA 3 , Takeshi SAMPEI 1 , Waro TAKI 1 1Department of Neurosurgery, Mie University School of Medicine 2Department of Neurosurgery, Yamamoto Daisan Hospital 3Department of Neurosurgery, Kuwana Municipal Hospital Keyword: subarachnoid hemorrhage , dissecting aneurysm , peripheral superior cerebellar artery pp.1345-1351
Published Date 2002/12/10
DOI https://doi.org/10.11477/mf.1436902319
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The peripheral superior cerebellar artery (SCA) dissecting aneurysm (DA) is extremely rare, with only 4 cases (in-cluding our case) having been reported. Here we report a case of subarachnoid hemorrhage clue to ruptured DA of peripheral SCA and summarize the 23 cases of the DA of peripheral arteries in the posterior fossa. A 64-year-old woman was found unconscious at home and was admitted to our hospital on December 12, 1998. A computed tomography scan revealed a diffuse subarachnoid hemorrhage (Fisher's classification Group 3), mainly in the prepontine cistern. Her neurological state on admission was Hunt and Kosnik grade Ⅲ.

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