患者 ,男 ,1 9岁。因左耳部剧烈疼痛 2 d来我科就诊。体检 :左耳屏前肿胀显著 ,充血较重 ,呈暗红色 ,触痛剧烈 ,有波动感 ;于耳屏前上、耳轮脚、耳甲腔各有一瘘口 ,确诊为先天性耳前瘘管继发感染。以生理盐水 1 0 0 ml加庆大霉素 2 4万 U从一瘘口进行冲洗 ,可见另外 2个瘘口处 Patient, male, 19 years old. Due to severe left ear pain 2 d to our department. Physical examination: the left ear before the screen swelling was significant, severe congestion, dark red, tenderness, a sense of volatility; in the tragus, the ear wheel feet, the caval cavity has a fistula, diagnosed as congenital anterior fistula following Infected. With saline 1 0 0 ml plus gentamicin 240,000 U from a fistula irrigation, we can see the other two fistula