Neurologia medico-chirurgica
Online ISSN : 1349-8029
Print ISSN : 0470-8105
ISSN-L : 0470-8105
Case Reports
Histological Analysis of Microbleed After Surgical Resection in a Patient With Moyamoya Disease
—Case Report—
Ken-ichiro KIKUTAYasushi TAKAGIKazuhiko NOZAKITsutomu OKADANobuo HASHIMOTO
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2007 Volume 47 Issue 12 Pages 564-567


A 65-year-old male with moyamoya disease underwent surgical resection of a microbleed simultaneously with revascularization surgery. Histological examination identified several fragile arteries surrounding the microbleed. Microbleeds detected by T2*-weighted magnetic resonance imaging are considered to be a general marker of vascular vulnerability in cerebral angiopathy with a tendency to bleeding. The microbleeds observed in patients with moyamoya disease probably originate in bleeding from the fragile arteries.

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© 2007 by The Japan Neurosurgical Society

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