患者 ,男性 ,4 8岁。因“外伤后左耳持续流脓 4月余” ,在当地医院治疗未见好转而转我科诊治。检查 :体温 36.4℃ ,脉搏 80次 /ｍｉｎ ,呼吸 2 0次 /ｍｉｎ ,血压 15/9ＫＰａ ,心肺正常。左耳廓正常 ,左外耳道后壁红肿紧贴前壁 ,耳道狭窄 ,触痛明显 ,并见 0 .5ｃｍ伤口 ,伴少量 Patient, male, 48 years old. Due to “traumatic left ear continued pus in more than 4 months,” the treatment in the local hospital did not improve and turn our department diagnosis and treatment. Check: body temperature 36.4 ℃, pulse 80 beats / min, breathing 20 times / min, blood pressure 15 / 9KPa, normal heart and lung. Left auricle normal left posterior wall of the posterior wall of the red and swollen close to the anterior wall, ear canal narrow, tenderness significantly, and see 0.5cm wound, with a small amount