患者,男性,31岁。1998年5月无明显诱因出现突发的四肢抽搐,历时约数分钟,不伴意识丧失,于外院查头部ＣＴ显示“双侧基底节钙化”。入院时查体:体形消瘦,一般情况尚好,心肺腹无异常。头颅脊柱无畸形,双侧足弓高。神经系统检查:神清语利,理解力、定向力正常,计算力稍差,颅神经检 Patient, male, 31 years old. May 1998 no obvious incentive for sudden limbs twitch, which lasted about a few minutes, without loss of consciousness, the head of the outer hospital investigation showed CT “bilateral basal ganglia calcification.” Physical examination at admission: body weight loss, the general situation is good, no abnormal heart and lung abdomen. No deformity of the head and spine, bilateral arch high. Neurological examination: God Qing language proficiency, comprehension, orientation normal, slightly less computational power, cranial nerve examination