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A case of isolated middle cerebral artery stenosis with hemichorea and moyamoya pattern collateralization.

Authors
 Seok Jong Chung  ;  Hyung Seok Lee  ;  Han Soo Yoo  ;  Kyung Min Kim  ;  Ki Jeong Lee  ;  Jong-Soo Kim  ;  Jae-Wook Lee  ;  Jong Hun Kim  ;  Jeong Hee Cho  ;  Gyu Sik Kim  ;  Jun Hong Lee  ;  Sun-Ah Choi 
Citation
 Journal of Movement Disorders, Vol.6(1) : 13-16, 2013 
Journal Title
 Journal of Movement Disorders 
ISSN
 2093-4939 
Issue Date
2013
Keywords
Hemichorea ; Middle cerebral artery stenosis ; Moyamoya
Abstract
Isolated middle cerebral artery (MCA) stenosis in young patients with no other medical condition may be a unique pathologic entity with a benign long-term course. Generally, moyamoya disease shows a progression of stenosis from internal cerebral artery (ICA) to other intracranial vessel. A 26-year-old woman was admitted for choreic movements of the right arm and leg. Brain magnetic resonance imaging showed no stroke. Conventional angiography revealed 48% stenosis of the left M1 without ICA stenosis. Single photon emission computed tomography revealed perfusion asymmetry after acetazolamide injection, suggesting decreased uptake in the left basal ganglia and the cerebral cortex. Her hemichorea was mildly decreased with risperidone. One year later, follow-up angiography showed complete occlusion of the left M1 with neovascularization suggestive of moyamoya disease. The patient underwent bypass surgery and her hemichorea disappeared. This may be an atypical presentation of moyamoya disease. The bypass surgery was an effective measure for restoring the vascular insufficiency and, resultantly, controlling her hemichorea.
Files in This Item:
T201306391.pdf Download
DOI
10.14802/jmd.13003
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Neurology (신경과학교실) > 1. Journal Papers
Yonsei Authors
Yoo, Han Soo(유한수) ORCID logo https://orcid.org/0000-0001-7846-6271
Chung, Seok Jong(정석종) ORCID logo https://orcid.org/0000-0001-6086-3199
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/166887
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