患者，男，69岁。因发作性四肢关节僵硬3年余收住院。患者自1994年底起常感四肢关节僵硬，尤其感双下肢肌肉发紧，发作时行动困难，1995年7月在我科门诊诊断为“帕金森氏综合征”，予息宁1片，每日3次，症状稍有改善，自觉发作次数减少，半年后出现双下肢阵发性痉挛疼痛，发作 Patient, male, 69 years old. Due to the onset of limbs and joints stiffness more than 3 years admitted to hospital. Patients from the end of 1994 often sense limb stiffness, especially in both lower extremity muscle tightening, seizures difficult operation, in July 1995 in our clinic diagnosed as “Parkinson’s syndrome”, to be a pill, daily 3 times, a slight improvement in symptoms, decreased frequency of conscious attacks, paroxysmal spasm of both lower extremities after six months of pain, attack