Document Detail

Fenestrations accompanied by intracranial aneurysms assessed with magnetic resonance angiography.
MedLine Citation:
PMID:  22406779     Owner:  NLM     Status:  In-Data-Review    
Background and Purpose: The aim of this study was to evaluate the anatomical changes and investigate the prevalence in intracranial aneurysm with fenestrations using magnetic resonance angiography (MRA). Materials and Methods: Between June 2008 and October 2010, 4652 patients (aged 23-73 years) with suspected intracranial aneurysm or other cerebrovascular diseases underwent MRA examination. MRA was performed using a three-dimensional time-of-flight technique (3D-TOF) with volume rendering (VR) and maximum intensity projection reconstruction methods. The presence and location of fenestrations and aneurysms was reviewed. When fenestrations were present in combination with aneurysms, we noted the relationship of the locations. The classification of fenestration accompanied by intracranial aneurysm was divided into three types according to the anatomical relationship as follows: Type I, aneurysm adjacent to but not on a fenestration; Type II, aneurysm located on the fenestration; type III, aneurysm located at a position remote from a fenestration. Results: Among the 4652 patients examined, 409 patients were defined with 412 intracranial aneurysms, and the prevalence of aneurysms was 8.8%. One hundred and forty-one patients were identified with fenestrations; 24 of these patients were confirmed with intracranial aneurysms. Seven cases were classified as type I, three as type II and 14 as type III. The prevalence of intracranial aneurysm with fenestrations was 17.0%, with significant statistical difference compared with aneurysms unaccompanied with fenestrations (P=0.0064). Conclusion: The anatomical relationship between fenestrations and intracranial aneurysms was visualized by MRA with VR, which displayed pathologies with sufficient clarity to enable diagnosis. Furthermore, the results of this study suggest that physicians should be alerted to the occurrence of intracranial aneurysm following the detection of fenestrations by MRA.
Zhen-Kui Sun; Mei Li; Ming-Hua Li; Yong-Dong Li; Wen-Ping Sun; Yue-Qi Zhu
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Neurology India     Volume:  60     ISSN:  0028-3886     ISO Abbreviation:  Neurol India     Publication Date:    2012 Jan-Feb
Date Detail:
Created Date:  2012-03-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0042005     Medline TA:  Neurol India     Country:  India    
Other Details:
Languages:  eng     Pagination:  45-9     Citation Subset:  IM    
Institute of Diagnostic and Interventional Radiology, The Sixth Affiliated People's Hospital, Shanghai Jiao Tong University, No. 600, Yi Shan Road, Shanghai, China.
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