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突发的不自主运动常由对侧半球深部结构的血管病变所致,大多数病人常累及一侧躯体的上、下肢。但单投掷症(hemiballism)和单舞蹈病并不多见。本文目的是阐明基底节的躯体定位(somatotopic or-ganization)结构和单肢舞蹈病的诊断意义。患者男,76岁,右利手,因单臂舞蹈运动而收入院。10年前,突发左侧轻偏瘫。CT 扫描发现:右侧尾状核头端有不明显的低密度灶。脑血管造影无异常。服用阿斯匹林,2月后,肢体无力好转,但左臂出现舞蹈运动,此症持续近10年。入院检查:轻度构音障碍,左侧肢体腱反射亢进,无力不明显,共济
Sudden involuntary movement often contralateral hemisphere caused by deep vascular lesions, most patients often involve the upper and lower limbs of the body. However, hemiballism and chorea are rare. The purpose of this paper is to elucidate the diagnostic significance of somatotopic or-ganization structure and mono-limb chorea disease. Male patient, 76 years old, right hand, due to one-legged dance exercise and income hospital. Ten years ago, sudden left hemiparesis suddenly. CT scan found: right caudate caudate nucleus obvious low-density lesions. No abnormalities in cerebral angiography. Taking aspirin, in February, limb weakness improved, but the left arm appeared dance exercise, the disease lasted nearly 10 years. Admission examination: mild dysarthria, left limb tendon hyperreflexia, weakness is not obvious, mutual aid