necrotizing otitis externa


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Related to necrotizing otitis externa: Malignant Otitis Externa

necrotizing otitis externa

Infection of the base of the skull that originates in the external auditory canal. It is usually caused by infection with the bacterium Pseudomonas aeruginosa. The disease occurs most often in diabetic and other immunocompromised patients. It may be life-threatening and requires prolonged antibiotic therapy. Hyperbaric oxygen treatments are used in patients with the most advanced and refractory disease.
See also: otitis
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No history of diabetes or immunosuppressant treatment was present in 4 of 43 patients (9.3%), and all of these patients were diagnosed with necrotizing otitis externa on CT due to prolonged symptoms despite adequate medical treatment.
Necrotizing otitis externa is a potentially life-threatening disease and needs early aggressive treatment to prevent long-term morbidity.
Indeed all of our necrotizing otitis externa patients post-protocol now receive an MRI with contrast as well as diffusion weighted imaging, and this is demonstrated by our data which show that prior to the protocol this was not always the case.
Management of Necrotizing Otitis Externa: Our Experience with Forty-Three Patients
TABLE 1 TYPICAL CLINICAL CHARACTERISTICS OF OE AND NOE Otitis Externa Necrotizing Otitis Externa Foul smelling ear drainage Persistent ear drainage Exudate in the ear canal Granulation tissue in the ear canal Pain on movement of the auricle Severe persistent pain around the ear Edema and redness of the ear canal Elderly patients with diabetes OE denotes otitis externa; NOE, necrotizing otitis externa TREATMENT
Management of the Patient with Otitis Externa

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