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De Novo Distal Superior Cerebellar Artery Aneurysm after Embolization of a Ruptured Aneurysm at the Bifurcation of the Contralateral Basilar and Superior Cerebellar Arteries Natsue KISHIDA 1,2 , Hitoshi FUKUDA 1 , Masaomi KOYANAGI 2 , Sen YAMAGATA 1 1Department of Neurosurgery, Kurashiki Central Hospital 2Department of Neurosurgery, Kyoto University Keyword: subarachnoid hemorrhage , posterior fossa pp.133-136
Published Date 2015/2/10
DOI https://doi.org/10.11477/mf.1436202968
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 The formation of de novo aneurysms in the posterior fossa after successful treatment of a previous aneurysm in the same fossa is rare. Here we describe a case of a de novo generated aneurysm at the distal superior cerebellar artery(SCA)7 years after the successful obliteration of an aneurysm at the contralateral basilar artery(BA)-SCA bifurcation. The treatment of the original posterior fossa aneurysm may lead to hemodynamic changes that may contribute to the formation of a de novo aneurysm at another vulnerable point in the posterior fossa circulation. We conclude that a close surveillance is required after the initial treatment of posterior fossa aneurysms in order to detect the possible formation of de novo aneurysms.


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

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