Osteoma of the mastoid.
D002648:Child; D004424:Ear Canal; D004426:Ear Deformities, Acquired; D005260:Female; D006801:Humans; D006984:Hypertrophy / Q000601:surgery; D008310:Malocclusion / Q000150:complications; D008339:Mandibular Neoplasms / Q000601:surgery*; D008416:Mastoid / Q000601:surgery*; D010016:Osteoma / Q000209:etiology*