双侧尾状核头部梗死致半侧舞蹈症少见，现报告１例如下。１ 病例男，４７岁，右利手。因左侧肢体不自主舞蹈样动作３天于２０００年３月１２日入院。３天前，患者清晨起床后出现左侧肢体控制不住的舞动，且频率及动作幅度进行性加重。上肢重，下肢轻，夜间睡眠时消失。有高血压 Bilateral caudate nucleus head infarction caused by half of the chorea uncommon, a report is as follows. 1 case male, 47 years old, right hand. Due to left limb involuntary dance-like movements 3 days in March 12, 2000 admission. Three days ago, the patient appeared uncontrollable movements of the left limb after getting up early in the morning, and the frequency and range of motion were aggravated. Upper body weight, lower extremity light, disappear at night when sleep. Have high blood pressure