| Clinical experiences of ruptured posteroinferior cerebellar artery aneurysms and anatomical analysis in the Cadaver in a single center of China. | |
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MedLine Citation:
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PMID: 22209235 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVE: Posteroinferior cerebellar artery (PICA) aneurysms are uncommon and have not been well investigated previously. We report our series of 29 ruptured PICA aneurysms with surgical treatment along with the description of the surgical anatomy of the PICA to the lower cranial nerves in cadaveric specimen. METHODS: All patients with ruptured PICA aneurysms who were surgically treated at the First Affiliated Hospital of Soochow University during the period from January 1995 to December 2008 were reviewed retrospectively. Data relating to clinical, radiological, and intraoperative findings were analyzed. Forty formalin-fixed cerebellar hemispheres provided the material for the study of describing the detailed surgical anatomic relationship of the PICA to the lower cranial nerves. RESULTS: In our series, ruptured PICA aneurysms reached an incidence of 2.35% of all ruptured intracranial aneurysms. There were 13 aneurysms (44.8%) located in the proximal segment, and 16 (55.2%) located in the distal segment. Of these, 89.7% were saccular, 6.9% fusiform, and 3.4% dissecting aneurysms. Usually, the surgical outcome was influenced by Poor admission grade, the presence of obstructive hydrocephalus and associated distal AVM. In cadaveric specimen, 17.5% of PICAs passed between the glossopharyngeal and vagus nerves, 7.5% between the vagus and accessory nerves, and 62.5% through the rootlets of the accessory nerve. CONCLUSION: This report summarizes the presentation and outcome of a large series of 29 patients with ruptured PICA aneurysms, and we conclude that ruptured PICA with surgical treatment usually gets well recovered. The study does, however, also demonstrate that the anatomic relationship of the PICA and lower cranial nerves is somehow variable and irregular. Recognition of the findings in cadaveric dissection is essential in treating lesions of this region. |
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Authors:
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Jiang Wu; Feng Xu; Zhen-Quan Yu; You-Xin Zhou; Gang Cui; Xiang-Dong Li; Dai Zhou; Shi-Ming Zhang; Zhong Wang |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-12-28 |
Journal Detail:
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Title: Clinical neurology and neurosurgery Volume: - ISSN: 1872-6968 ISO Abbreviation: - Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2012-1-2 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7502039 Medline TA: Clin Neurol Neurosurg Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier B.V. All rights reserved. |
Affiliation:
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Department of Neurosurgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, 215006, China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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