Document Detail


Asymmetric dilatation of virchow-robin space in unilateral internal carotid artery steno-occlusive disease.
MedLine Citation:
PMID:  21412107     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
OBJECTIVE: : The cause of abnormal Virchow-Robin space (VRS) dilatation is still unclear. The purpose of this study was to test the hypothesis that chronic ischemia from the unilateral significant internal carotid artery (ICA) stenosis is related to asymmetric VRS dilatation.
METHODS: : We recruited 78 patients with severe unilateral ICA stenosis (>70%) diagnosed by magnetic resonance angiography, computed tomography angiography, or digital subtraction angiography and retrospectively reviewed 3-T brain magnetic resonance images. All VRSs on bilateral cerebral high-convexity areas were scaled into 4 grades. We analyzed the difference of VRS grades between bilateral hemispheres and the correlation between VRS grade and severity of ICA stenosis and the patient's age.
RESULTS: : The VRS grades on the ipsilateral hemisphere were higher than those on the contralateral and were positively correlated with the degree of ICA stenosis. The bilateral VRS grades and the patients' ages were positively correlated.
CONCLUSIONS: : Our results suggest that severe ICA steno-occlusive disease would be related with abnormal VRS dilatation.
Authors:
Ah Young Park; Tae-Sub Chung; Sang Hyun Suh; Hyun Seok Choi; Yun Hee Lee
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of computer assisted tomography     Volume:  35     ISSN:  1532-3145     ISO Abbreviation:  J Comput Assist Tomogr     Publication Date:    2011 Mar-Apr
Date Detail:
Created Date:  2011-03-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7703942     Medline TA:  J Comput Assist Tomogr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  298-302     Citation Subset:  IM    
Affiliation:
From the Department of Radiology, Gangnam Severance Hospital, Yonsei University.
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