title: Repair of bony canal wall defects in tympanomastoid surgery.
mesh_terms: D002356:Cartilage / Q000637:transplantation; D002781:Cholesteatoma / Q000601:surgery*; D004427:Ear Diseases / Q000601:surgery*; D006801:Humans; D008416:Mastoid / Q000601:surgery*; D012665:Semicircular Canals / Q000601:surgery; D014433:Tympanoplasty / Q000379:methods*