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Myoclonus, Chorea, and Ballism Katsuya Kobayashi 1 , Akio Ikeda 2 1Department of Neurology, Kyoto University Hospital 2Department of Epilepsy, Movement Disorders and Physiology, Kyoto University Graduate School of Medicine Keyword: ミオクローヌス , 舞踏運動 , バリズム , ハンチントン病 , 良性成人型家族性ミオクローヌスてんかん , myoclonus , chorea , ballism , benign adult familial myoclonus epilepsy , BAFME , Huntington's disease pp.45-58
Published Date 2023/1/1
DOI https://doi.org/10.11477/mf.1416202278
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Abstract

Myoclonus is a sudden, shock-like involuntary movement in the extremities, face, or trunk without loss of awareness (LOA). However, if it becomes generalized and lasts more than 3 s, LOA occurs. Chorea is characterized by gross generalized movements without LOA. Ballism is a rapid, violent, and lateralized movement in the upper or lower extremities, usually in the proximal part of the body, such as throwing or flinging without LOA. These three abnormal movements commonly show hypermotor and hypotonic (or orthotonic) states. Although their underlying pathophysiology is varied, it is often attributed to hereditary diseases, and thus investigating the family history is important.


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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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