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患者男性,31岁。25年前因左额顶上皮开颅行肿瘤切除术,术后放疗,残留右侧不全瘫、右半身感觉障碍及右侧同向偏盲。术后二年自觉症状无任何变化而未再接受治疗。1991年12月因抽搐发作来诊,收治入院。神经学检查右侧不全瘫、右半身感觉障碍、右侧同向偏盲。头颅X光片见左顶有一6×6cm钙化影。CT见左顶有一园形均匀高密度影,其前方有一与脑室相通的边界清楚的低密度区。MRI的T_1、T_2加权像肿瘤均呈低信号区。Gd—DTPA显示不均匀增强,肿瘤前侧有一大的脑空洞。脑血管造影病灶呈无血管区,颈外动脉选影未见明显的肿瘤血管。
Patient male, 31 years old. 25 years ago due to left cranial top craniotomy tumor resection, postoperative radiotherapy, residual right paralysis, right hemifacial sensation and right hemianopia. No symptoms of any change after two years without further treatment. December 1991 due to convulsions attack, admitted to hospital. Neurological examination of the right paralysis, right half of the sensory disturbance, right hemianopia. Skull X-ray see the top left there is a 6 × 6cm calcification shadow. CT see the top of the top has a circular uniform high density, in front of a clear border with the ventricle of the low-density areas. MRI T_1, T_2 weighted imaging showed low signal tumor area. Gd-DTPA showed uneven enhancement, tumor front side of a large brain cavity. Cerebral angiography showed no vascular area, external carotid artery imaging no obvious tumor vessels.