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J Korean Neurol Assoc. 2002 Sep;20(5):540-543. Korean. Case Report.
Kim JT , Baik JS , Kim JY , Park JH .
Department of Neurology, Sanggye Paik Hospital, Inje University College of Medicine, Korea. anne100@netsgo.com
Abstract

Hemichorea or hemiballism has been correlated clinico-anatomically with lesions of the contralateral side, most commonly of the subthalamic nucleus. Hemichorea due to an ipsilateral lesion is extremely rare. We report a case of a 74-year-old man who developed a left sided hemichorea due to a left thalamic infarction. The literature on the rare occurrence of ipsilateral hemichorea/hemiballism is discussed and possible pathomechanisms are reviewed.

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