Abstract
Osteomas are benign and frequent bone tumors. Temporal bone osteomas are usually located to the external auditory canal, their location at the middle ear is rare. They are usually revealed by progressive hearing loss. We report the case of a 40-year-old woman who had a right ear conductive hearing loss. A CT-scan showed a bone-density tumor in the right antrum and posterior mesotympanum, hanging up to the tegmen tympani. The diagnosis of middle ear osteoma had been confirmed histologically after a surgical exploration. Middle ear osteomas are rare benign tumors, less than 36 cases was described from 1964. They always present with a hearing loss, and the diagnosis is made by CT-scan. The treatment is usually surgical for symptomatic patients.
Published Version
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