Document Detail

Ruptured aneurysms of the choroidal branches of the posterior inferior cerebellar artery: a review of the literature and a case report.
MedLine Citation:
PMID:  19588069     Owner:  NLM     Status:  MEDLINE    
Aneurysms of the choroidal branches of the posterior inferior cerebellar artery (PICA) are quite rare; only seven such cases have been reported thus far. In this study, we present a very rare case of a ruptured aneurysm of a choroidal branch of the PICA; the aneurysm was exposed by splitting the vermis and resected after proximal arterial ligation. We have also undertaken a thorough review of the literature on aneurysms in choroidal branches of the PICA, focusing on the clinical presentation, etiology, radiological findings, and surgical strategies. We found that the aneurysms in our patient and the aneurysms in seven published case reports were small, and frequently associated with vascular anomalies. Intraventricular hemorrhage (IVH) in the fourth ventricle was detected in all eight cases. The outcomes of surgical treatment were generally favorable, notwithstanding the high incidence of rebleeding after rupture of distal PICA aneurysms. The recognition of predominant fourth ventricular hemorrhage should raise the suspicion of the presence of an underlying aneurysm, and digital subtraction angiograms (DSAs) should be immediately obtained in order to detect small aneurysms of the choroidal branches of the PICA.
Masaaki Hokari; Satoshi Kuroda; Hiroshi Yasuda; Motoyuki Iwasaki; Satoru Abe; Hisatoshi Saitoh
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Publication Detail:
Type:  Case Reports; Journal Article; Review     Date:  2009-07-09
Journal Detail:
Title:  Acta neurochirurgica     Volume:  152     ISSN:  0942-0940     ISO Abbreviation:  Acta Neurochir (Wien)     Publication Date:  2010 Mar 
Date Detail:
Created Date:  2010-02-26     Completed Date:  2010-06-14     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0151000     Medline TA:  Acta Neurochir (Wien)     Country:  Austria    
Other Details:
Languages:  eng     Pagination:  515-8     Citation Subset:  IM    
Sapporo Asabu Neurosurgical Hospital, Higashi-ku, Sapporo 007-0840, Japan.
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MeSH Terms
Cerebellum / blood supply,  pathology*,  physiopathology
Cerebral Hemorrhage / etiology,  pathology,  physiopathology
Choroid Plexus / blood supply,  pathology*,  physiopathology
Fourth Ventricle / blood supply,  pathology*,  physiopathology
Hydrocephalus / etiology,  physiopathology,  prevention & control
Intracranial Aneurysm / pathology*,  physiopathology,  radiography
Middle Aged
Vascular Surgical Procedures
Vertebral Artery Dissection / pathology*,  physiopathology,  radiography

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