Osteoplastic epitympanotomy.
D001299:Audiometry; D002781:Cholesteatoma / Q000601:surgery; D004424:Ear Canal / Q000601:surgery; D004432:Ear, Middle / Q000473:pathology / Q000601:surgery; D006801:Humans; D008416:Mastoid / Q000601:surgery*; D008722:Methods; D014433:Tympanoplasty / Q000379:methods*