Giant mastoid osteoma with postoperative high-frequency sensorineural hearing loss

by Raymond E. Lee, MD and Thomas J. Balkany, MD, FACS | Tuesday, January 01, 2008

IntroductionOsteomas are bony tumors that rarely involve the mastoid portion of the temporal bone. On occasion these benign, expansive lesions require excision when causing a cosmetic deformity or pain. Resection requires meticulous drilling rather than excisional osteotomies, to avoid recurrence and damage to vital structures within the mastoid cavity. However, the otologic drill has been implicated in causing sensorineural hearing loss from both air- and bone-conducted vibration and noise. This article describes a patient with an extensive mastoid osteoma who developed a postoperative sensorineural hearing loss after resection by otologic drill.Case reportA 25-year-old woman was referred to the otology clinic for a mass over her left mastoid that had been slowly growing for the previous 6 months. Other than a cosmetic deformity of her upper neck, the patient was asymptomatic. She denied any hearing loss, tinnitus, vertigo, or pain, as well as prior head trauma and otologic .../continued/

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