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The Difference in Location between Traumatic Cerebral Microbleeds and Microangiopathic Microbleeds Associated with Stroke.
MedLine Citation:
PMID:  21447027     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND AND PURPOSE: Microbleeds (MBs) are low-intensity spots on gradient echo T2*-weighted MRI frequently associated with cerebral microangiopathies resulting in stroke. MBs can also be caused by cerebral axonal injuries. We compared the location of MBs associated with cerebral microangiopathies with those associated with trauma. METHODS: T2*-weighted MRI identified traumatic MBs (t-MBs) in 23 (6 females; 38.7 ± 25.8 years old) of the 312 patients with head trauma consecutively admitted to our hospital between March 2003 and March 2009. We prospectively examined for the presence of microangiopathic MBs (m-MBs) in the 131 patients (59 females; 65.2 ± 9.2 years old) admitted consecutively for stroke (May -December 2004) as controls. RESULTS: We identified a total of 145 t-MBs and 504 m-MBs. t-MBs were frequently located in the mid portion of the subcortical area of the cerebrum, above the corpus callosum in axial slices, and were absent from the basal ganglia. In contrast, m-MBs were frequently located within the basal ganglia or thalamus. CONCLUSION: There are substantial differences in locations of MB development in trauma patients in comparison to stroke patients.
Authors:
Toshio Imaizumi; Kei Miyata; Shigeru Inamura; Ikuhide Kohama; Kim Sang Nyon; Tatsufumi Nomura
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-3-29
Journal Detail:
Title:  Journal of neuroimaging : official journal of the American Society of Neuroimaging     Volume:  -     ISSN:  1552-6569     ISO Abbreviation:  -     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-3-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9102705     Medline TA:  J Neuroimaging     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2011 by the American Society of Neuroimaging.
Affiliation:
Department of Neurosurgery, Kushiro City General Hospital, Hokkaido, Japan.
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