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特发生震颤是一种以手指和颈部为好发部位,在活动时或某种体位时发生震颤为主要表现的疾病。有家族史者约占半数,为常染色体显性遗传。本文报道桥脑底部梗塞后特发性颈部震颤消失一例。 患者为41岁女性,主诉为右面部和肢体运动障碍,疑为脑梗塞收住院。1981年以特发性颈部震颤在门诊治疗。震颤为细小的摇头样震颤,紧张时加重,饮酒后明显减轻。安定,氯硝安定有一定疗效,未用β受体阻滞剂。其母患有同样的颈部震颤。神经系统检查:右面部和右肢体轻瘫,失调性构音障碍,颈部肌力大致正常,疑有小脑性共济失调,右肢体感觉无异常。入院时颈部震颤消失。实验室检查未见异常。MRI示左桥脑底部旁正中动脉范围梗塞灶。MRA及三维CT脑血管造影正常。
Special tremor is a kind of finger and neck as a good site, at activity or when a certain position tremor as the main manifestation of the disease. About half of family history, autosomal dominant. This article reports one case of disappearance of idiopathic neck tremor after pontine infarction. 41-year-old female patient, complained of right facial and limb movement disorders, suspected of receiving a hospital for cerebral infarction. 1981 with idiopathic neck tremor in the clinic. Tremor for the small shaking head tremor, increased tension, significantly reduced after drinking. Diazepam, clonazepam have a certain effect, no beta blocker. The mother has the same neck tremor. Neurological examination: right and left limbs paralysis, dysarthria dysarthria, neck muscle strength is generally normal, suspected cerebellar ataxia, no abnormalities in the right limbs. Neck tremor disappeared at admission. Laboratory tests showed no abnormalities. MRI showed left pontine paracentesis at infarct center. MRA and three-dimensional CT angiography was normal.