Document Detail


Two cases of dissecting aneurysm of the distal posterior inferior cerebellar artery: possible involvement of segmental mediolytic arteriopathy in the pathogenesis.
MedLine Citation:
PMID:  15708226     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Dissecting aneurysm of the posterior inferior cerebellar artery (PICA) uninvolved with the vertebral artery is rare. The exact pathohistological diagnosis might result in 'unknown' because the underlying pathoanatomical features are, for a variety of reasons, not always identified. CASE DESCRIPTION: We report herein two cases of dissecting aneurysm harbored in different segments of the distal posterior inferior cerebellar artery. In our cases, after trapping the PICA at both just proximal and distal to the aneurysm, the abnormal portion was successfully resected with/without an end-to-end anastomosis. The first patient made a good recovery, while the other died 2 days after the surgery. Although its pathogenetic etiology was unidentified in the second case, the formation of dissecting aneurysm had resulted from a segmental mediolytic arteriopathy in the first case. CONCLUSION: This is the first report of a segmental mediolytic arteriopathy possibly being identified as causing an isolated dissecting aneurysm at this site.
Authors:
Haruki Yamakawa; Yasuhiko Kaku; Shin-ichi Yoshimura; Akio Ohkuma; Noboru Sakai
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Publication Detail:
Type:  Case Reports; Journal Article; Review    
Journal Detail:
Title:  Clinical neurology and neurosurgery     Volume:  107     ISSN:  0303-8467     ISO Abbreviation:  Clin Neurol Neurosurg     Publication Date:  2005 Feb 
Date Detail:
Created Date:  2005-02-14     Completed Date:  2005-05-10     Revised Date:  2009-10-14    
Medline Journal Info:
Nlm Unique ID:  7502039     Medline TA:  Clin Neurol Neurosurg     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  117-22     Citation Subset:  IM    
Affiliation:
Department of Neurosurgery, Gifu Prefectural Gifu Hospital, Noishiki-4-6-1, Gifu 500-8717, Japan. noritake31513@hotmail.com
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MeSH Terms
Descriptor/Qualifier:
Aneurysm, Dissecting / etiology*,  physiopathology,  therapy
Arteritis / complications*
Cerebellum / blood supply*
Female
Humans
Male
Middle Aged
Treatment Outcome
Tunica Media / pathology*

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