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偏侧舞蹈病(hemichorea)临床不多见,是以损害基底节部位为主的一组疾病。病因复杂,可以是风湿性或慢性进行性舞蹈病的一部分,其它如炎症、外伤、肿瘤、血管炎及出血性、缺血性卒中均可为其原因。急性偏侧舞蹈病以基底节尤其是新纹状体区缺血性卒中所致者最为多见,作者遇见4例报告于下。临床资料本组4例均为男性;年龄分别为45、52、61、76岁,既往均有高血压、动脉硬化症史,皆呈急性起病,意识清楚,情感不稳,兴奋烦躁;偏侧粗大的舞蹈动作均在左侧,以上肢为甚,且都累及面、舌部,情绪激动时加重,睡眠时消失;静止时肌张力3例减低,1例呈变形性肌张力;肢体恢复动作示明显障碍,无锥体束征;脑脊液、脑电图检查均正常;头颅CT扫描3例示右侧尾状核、壳核区腔隙性梗塞灶,1例示右侧颞顶部延至外囊、豆状核区低密
Hemichorea is rare in clinical practice and is a group of diseases that predominantly damage basal ganglia. The etiology is complex and can be part of rheumatic or chronic progressive chorea. Other causes such as inflammation, trauma, cancer, vasculitis, and hemorrhagic, ischemic stroke are the causes. Acute lateral chorea is the most common cause of ischemic stroke in the basal ganglia, especially in new striatum, and the authors met with 4 reported here. Clinical data of this group of 4 patients were male; age were 45,52,61,76 years old, all previous history of hypertension, arteriosclerosis were acute onset, awareness, emotional instability, irritability; partial Thick side of the dance moves are on the left side, to the upper limbs is very, and are involved in the face, tongue, aggravated agitation, sleep disappeared; resting muscle tension decreased in 3 cases, 1 case was deformed muscle tone; limb recovery Cerebral spinal fluid and electroencephalography were normal; 3 cases of cranial CT scan showed right caudate nucleus, lacunar infarction in the putamen region, 1 case showed the right temporal extension to the outer capsule, Low-density legume nucleus