患者女,67岁。自幼发现右耳轮脚前有一小孔。1997年4月24日因耳轮角前小孔周围红肿就诊。查体见右耳轮脚红肿,有黄色脓液溢出,触之疼痛,有波动感。诊断为右耳先天性耳前瘘管合并感染。行切开引流和抗炎治疗。经换药治疗9次,瘘口仍有少许脓性分泌物流出,感染未能得到控制。于5月26日行右耳前瘘管感染期切除术。术中可见感染处皮肤溃烂,瘘管位置 Female patient, 67 years old. Found a small hole in the foot of the right ear wheel at an early age. April 24, 1997 due to inflated mandibular orifice before the treatment. Physical examination see the right ear foot swelling, yellow pus overflow, touch the pain, there is a sense of volatility. Diagnosis of the right ear congenital anterior fistula with infection. Line incision drainage and anti-inflammatory treatment. After dressing change 9 times, fistula still a little purulent discharge, the infection failed to be controlled. On May 26, right anterior ear fistula infection during the resection. Intraoperative visible skin ulceration, fistula position