患者女,34岁。因头痛3年,于1991年1月11日入院。1988年患者出现头痛头晕,活动后加重。3年来逐渐加重,近4个月来头痛明显加重,伴视物模糊、耳鸣、恶心、呕吐。近1个月来,站立和行走不稳,闭目时向左侧倾倒。查体:双眼底视乳头边界不清,生理凹陷消失,有点状出血灶,双眼球有左侧外象粗大水平震颤,光反射存在。右侧鼻唇沟变浅。躯体并济失调,步态不稳,闭目难立征(+),四肢肌张 Female patient, 34 years old. Due to headache for 3 years, January 11, 1991 admission. Patients with headache and dizziness in 1988, aggravating after activity. Gradually aggravate in 3 years, headache in the past 4 months significantly increased, with blurred vision, tinnitus, nausea and vomiting. Nearly a month, standing and walking unstable, closed eyes to the left dump. Physical examination: the end of the binocular view of the nipple border is unclear, physiological depression disappeared, a bit like hemorrhagic foci, both eyes have a large horizontal left tremulous tremor, light reflex exists. Right nasolabial fissure shallow. Physical and economic disorders, unsteady gait, blind erection sign (+), limbs stretch