患者　男,14岁。左耳间歇性疼痛8月余,加重3个月伴耳鸣。体检:一般情况可,左侧额纹较右侧略浅;左耳轮脚前方皮肤明显压痛,局部组织轻度肿胀,双乳突区无压痛,外耳道无红肿溢脓,骨膜完整,标志尚清,活动良好,未见中耳积液征象,音叉检查ＲＴ双侧阳性,ＷＴ居中。鼻、咽、喉检查未见 Patient male, 14 years old. Intermittent left ear pain more than August, aggravating 3 months with tinnitus. Physical examination: the general situation may be, the left frontal grain slightly more right than the right; left ear foot skin tenderness was tender, mild swelling of local tissue, no tenderness in the bilateral mastoid area, no swelling of the external auditory canal purulent pus, periosteal integrity, Activities were good, no signs of middle ear effusion, both sides of the fork check positive RT, WT center. Nose, pharynx, throat check no