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患者,女,36岁。头痛18个月,进行性加剧6个月,伴呕吐,右眼视物模糊。步态不稳2个月。1994年11月20日入院。入院查体:神清,双瞳等大,3mm,光反应迟钝,视力左0.6,右0.8,两侧视乳头水肿,有双眼水平震颤,右外展麻痹,右三叉神经第1～3支分布区疼痛减退,右角膜反射消失,深反射亢进但对称,右指鼻试验钝拙,右肢体交替运动不能,直线行走试验阳性,Romberg试验(+)。头颅平片示:右CP角天幕裂孔处的一钙化影。头颅CT示:CP角混合性高密度影,从鞍背向下长至右枕骨大孔,大小为6cm×3cm×3.5cm,经脚间窝入三脑室3cm×2。
Patient, female, 36 years old. Headache 18 months, progressive increase of 6 months, with vomiting, right eye blurred vision. Gait unsteady 2 months. November 20, 1994 admission. Admission examination: Shen Qing, double pupil and other large, 3mm, photopic retardation, visual acuity left 0.6, right 0.8, bilateral papilledema, bilateral binocular paralysis, right trigeminal nerve 1 to 3 distribution District pain, right corneal reflex disappeared, hyperreflexia hyperreflexia but symmetry, right nasal test blunt, right limb alternating motion can not, the straight walking test was positive, Romberg test (+). Skull plain film shows: the right CP corner Atrial calcification at the shadow of the hole. Head CT showed: CP angle mixed high-density shadow, from the saddle back down to the right foramen magnum, the size of 6cm × 3cm × 3.5cm, via the intercostal space into the ventricle 3cm × 2.