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KMID : 1197720130060010017
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대한파킨슨병 및 이상운동질환 학회지
2013 Volume.6 No. 1 p.17 ~ p.20
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Acute Hemichorea as an Unusual Presentation of Internal Carotid Artery Stenosis
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Kim Dong-Wook
Ko Young-Chai
Jang Sang-Hyun
Yoon Soo-Jin
Oh Gun-Sei
Lee Soo-Joo
Yun Dong-Joo
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Abstract
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Involuntary movement associated with deep watershed ischemic lesions has been rarely reported. A 67-year-old woman presented with acute hemichorea on the left side. Magnetic resonance imaging showed acute infarcts in the anterior border zone. On perfusion studies, impaired cerebral blood flow was observed on the subcortical region sparing the basal ganglia. Cerebral angiogram confirmed severe stenosis in the right internal carotid artery. Her hemichorea gradually improved along with normalization of perfusion after carotid artery stenting with angioplasty. We suggest that impaired cerebral blood flow in critical watershed territories may be an important contributing factor in hemichorea associated with carotid occlusive disease.
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KEYWORD
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Hemichorea, Carotid stenosis, Stents, Perfusion weighted MRI
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Listed journal information
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