作者报导2例外耳道炎并加以讨论。恶性外耳道炎为外耳道感染中一种极为严重的类型,系由绿脓杆菌所致,多侵袭年岁较大的糖尿病患者,死亡率较高。此病亦可发生于儿童,因营养不良、贫血而造成绿脓杆菌感染的适宜条件。感染可侵入中耳及面神经。治疗需用大剂量羧苄青霉素与庆大霉素,并对已感染之组织彻底进行扩创。 The authors report two cases of otitis externa and discuss them. Malignant otitis media is an extremely serious type of external auditory meatal infection, caused by Pseudomonas aeruginosa, and more often affects older diabetic patients with a higher mortality rate. The disease can also occur in children, due to malnutrition, anemia caused by Pseudomonas aeruginosa infection of the appropriate conditions. Infection can invade the middle ear and facial nerve. Treatment requires large doses of carbenicillin and gentamicin, and has been infected with the organization completely expanded.