患者男,47岁。1988年12月20日入院。诉三个月前无任何诱因感右枕部跳痛,阵发性发作,头痛无规律性,服止痛药能缓解,无性欲减退及内分泌改变。查体:发育正常,神志清楚,语言流利,计算、记忆、理解、判断力均正常。阴毛、腋毛无脱落。双眼视力1.5,视野正常,双眼底边界清楚,色泽正常。左上肢肌力较对侧弱,远端明显,肌力V°。颅 CT 检查:蝶鞍略增大,鞍内软组织向上突入鞍上池前方,使 Male patient, 47 years old. December 20, 1988 admission. V. Three months ago without any incentive to feel right occipital jump pain, paroxysmal attacks, irregular headaches, taking painkillers can ease, no loss of libido and endocrine changes. Physical examination: normal development, conscious, fluent language, calculation, memory, understanding, judgment are normal. Pubic hair, armpit hair without shedding. Binocular visual acuity 1.5, normal vision, bilateral fundus clear boundary, normal color. Left upper limb muscle strength than the opposite weak, distal obvious muscle strength V °. Cranial CT examination: sella slightly increased saddle soft tissue broke up into the saddle in front of the pool