1病例报告患者女,76岁。双上肢、躯干颤抖36年,加重9年。36年前,患者不明原因出现双上肢肌肉跳动。每月发作1～2次,发作次数逐年增多。阵挛波及到躯干和颈部,常呈弥散扩展。而且,四肢肌肉抽搐每年发作1～2次,不能自控,持续10～30min。服用苯妥英钠,症状未见好转。9年前始,每天 A case report patient female, 76 years old. Double upper limbs, trunk tremble 36 years, increased 9 years. 36 years ago, patients with unexplained upper extremity muscle beating. Attack 1 to 2 times per month, the number of seizures increased year by year. The clonus spreads to the torso and neck, often spreading diffusely. Moreover, limbs muscle twitching episodes of 1 or 2 times a year, can not be controlled, sustained 10 ~ 30min. Taking phenytoin sodium, the symptoms did not improve. 9 years ago, every day