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患者男,34岁,工人。1980年10月17日因左前额包块2年余,头痛伴双侧听力下降1年半入院。左前额部有外伤史。查体未见色素斑和皮下肿块。双侧视乳头水肿,右侧中枢性面瘫,双侧听力消失,右上肢肌力Ⅳ级。脑电图示中度异常、左额慢波灶。颅骨平片见左额骨一3×3cm骨密度增高区,边缘呈梳节状,内有密度不均的斑片状阴影,左侧内听道扩大。左侧颈动脉造影示左额占位病变。头颅CT增强扫描见左额部接于颅骨内板有一6×4cm高密度影,密度均匀,边缘清楚,左侧小脑桥脑角
Patient male, 34 years old, worker. October 17, 1980 due to left frontal mass more than 2 years, headache with bilateral hearing loss for 1 year and a half admitted. Left forehead with a history of trauma. No color spots and subcutaneous mass examination. Bilateral papilledema, right facial paralysis, bilateral hearing loss, right upper limb muscle strength Ⅳ. EEG showed moderate abnormalities, left frontal slow wave stove. Skull plain film see the left frontal bone a 3 × 3cm bone density increased area, the edge was comb-like, there are uneven patchy shadows, enlargement of the left internal auditory canal. Left carotid artery angiography showed left forehead lesions. Head CT enhanced scan see the left forehead connected to the skull plate with a 6 × 4cm high-density shadow, uniform density, clear edge of the left cerebellopontine angle