Malignant Otitis Externa, which can be emerging in the outer ear canal and spreading through the soft tissues around temporal bone, mastoid cells and ear, though rarely seen, is a destructive and severely enduring condition. Immunosuppression and Diabetes Mellitus are the important predisposing factors. The infection In whichh the most frequent causative agent is Pseudomonas types, should be distinguished from acute otitis externa. Success rates are high in early diagnosis and medical treatment. A 55-yearold diabetic male patient, who applied to our unit with the complaints of left ear ache, discharge and left side of facial paralysis, has been diagnosed with malignant otitis externa, by physical examination, technetium-99m bone scintigraphy and computed tomography of the brain in axial plane, and recovered by medical treatment. Diagnosis was discussed by the literature.
Keywords: diabetes mellitus, malignant otitis externa, technetium 99m bone scan