만성 경과를 취한 악성외이도염 1례

Malignant external otitis(MEO) is debilitating and occasionally fatal infection of the external auditory canal in elderly diabetes and patients with reduced immunity. Diabetic microangiopathy enhances the vasculitis produced by the Pseudomonas organism. This disease may spread from the external auditory canal through Santorini's fissures to invade the preauricular tissue, and soft tissue at the base of skull. This disease generally has acute fatal course and most frequently caused by Pseudomonas aeruginosa. Recently, the authors experienced a case of malignant external otitis with chronic course, caused by Enterococcus faecalis. So we reported this case with review of literatures.