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患者女性,34岁。因头痛20年,于1988年12月21日入院。头痛以双颞部为主,口服安乃近后可减轻。曾于1985年6月拍头颅X线片发现额窦内有一骨瘤而行手术切除。术后头痛依然如旧。因无神经系统阳性体征,长期未能确诊及正确治疗,而服用安乃近将近20年。于入院前2周头痛加重,并出现耳鸣,复视。查体:除双侧视神经乳头边界稍模糊外,未发现神经系统其他阳性体征。腰穿测脑压为420mmH_2O,脑脊液化验正常。头颅CT:平扫显示双侧小脑半球内有迂曲的高密度索条影,后颅凹四周硬脑膜增厚,密度增高。强化后显示右侧小脑半球明显强化,双侧脑室对称性扩大,三脑室扩大,四脑室受压变扁,向左侧移位。脑血管造影显示右侧小脑后下动脉向下弧
Patient female, 34 years old. Due to headache for 20 years, in December 21, 1988 admission. Headache to the main double-temporal, analgesic after oral administration can be reduced. Had in June 1985 photographed skull X-ray found in the frontal sinus there is a tumor resection. Postoperative headache is still as old. Because there is no positive signs of nervous system, long-term failed to diagnose and correct treatment, and take nearly 20 years of security. Two weeks before admission headache aggravated, and tinnitus, diplopia. Physical examination: In addition to bilateral optic nerve head border slightly fuzzy, found no other positive signs of the nervous system. Waist wear test brain pressure 420mmH_2O, CSF test was normal. Head CT: Plain scan showed tortuous high density cable within the cerebellar hemisphere shadow, posterior fossa dura surrounding thickened, increased density. After strengthening the right hemisphere showed significant enhancement of the cerebellum, bilateral symmetry of the enlarged brain, three ventricle expansion, flat compression of the fourth ventricle, to the left shift. Cerebral angiography showed the right posterior inferior cerebellar artery to the lower arc