先天性耳前瘘管是第一鳃沟在胚胎期融合不全形成的盲道 ,多具分支 ,瘘管壁覆以复层鳞状上皮 ,盲腔内积有脱落上皮和角化物 ,常因感染化脓可向深部发展或穿破皮肤形成脓瘘。控制感染后 ,常形成疤痕 ,手术切除瘘管及疤痕后 ,常出现耳前皮肤较大缺损。本文作者应用耳后皮瓣修复此? Congenital ear fistula is the first gill in the embryonic stage of incomplete fusion of the formation of the blind, many branches, fistula wall covered with stratified squamous epithelium, the product of the blind cavity plot shedding epithelial and keratosis, often due to infection suppuration can be Deep development or piercing the skin to form pus fistula. Control infection, often forming scars, fistulas and scars after surgery, the ear often appear larger defects of the skin. The authors apply this flap to repair this?