1案例资料1.1简要案情周某,男,65岁。2015年1月11日被人掌、拳击打致伤,当即出现耳鸣,听力下降。1.2法医学检验2015年1月12日进行法医临床学检验。伤者步入检查室,神清。左面部有1cm×1cm皮下出血伴肿胀,上颌左侧口腔粘膜破损。内窥镜下见:双耳道无异常,左耳鼓膜增厚,紧张部下部有一约4mm×5mm大小不规则穿孔,边缘有血痂。右耳鼓膜有一中央型 1 case information 1.1 brief case Zhou, male, 65 years old. January 11, 2015 was the palm of your hand, boxing injury, immediately tinnitus, hearing loss. 1.2 Forensic Medicine January 12, 2015 forensic clinical examination. Wounded into the examination room, God clear. Left 1cm × 1cm subcutaneous hemorrhage with swelling, the left upper oral mucosa damage. See under the endoscope: no abnormal ear canal, left ear tympanic membrane thickening, the lower part of the tension has an irregular 4mm × 5mm size perforation, the edge of the blood scab. Right ear eardrum has a central type