患者男,50岁,因左耳患胆脂瘤型中耳乳突炎,于80年9月15日在我科行左耳乳突根治术。术后发生化脓性耳廓软骨膜炎,局部红肿,疼痛不已。以后左耳轮脚处形成脓肿,多次切开引流换药不愈。局部四次活检均为炎性肉芽组织,二次脓液培养均检出绿脓杆菌,药敏试验,除对庆大霉素中敏外,其余均不敏感(多粘菌素过敏)。故用庆大霉素局部及全身治疗,无效,改用苯唑青霉素肌注。局部理疗、封闭,5％醋酸锌湿敷,中药及鱼石脂软骨换药等等。治疗近3个月未见好转,反有加重之势。最后我们将其他治疗全停,用下面方法治疗收到意料不到的效果:先将左耳廓脚处长期不愈的伤口清 Male patient, 50 years old, suffering from cholesteatoma type otolaryngitis due to left ear on September 15, 1980 in our department left ear mastoid radical mastectomy. Postoperative suppurative auricular perichondritis, local swelling, pain endless. After the formation of left ear lumps abscess, multiple drainage diversion dressing unhealed. Local four biopsies were inflammatory granulation tissue, secondary pus culture were detected Pseudomonas aeruginosa, drug sensitivity test, in addition to gentamicin sensitive, the rest are not sensitive (polymyxin hypersensitivity). Therefore, the use of gentamicin local and systemic treatment, invalid, switch to oxacillin intramuscular injection. Local physiotherapy, closed, 5% zinc acetate wet compress, Chinese medicine and fish stone cartilage dressing and so on. Treatment of nearly 3 months did not improve, anti-increase trend. Finally, we stop the rest of the treatment, with the following method of treatment received unexpected results: first left ear ulcers long wound healing