Opening of the labyrinth during chronic ear surgery.
D002781:Cholesteatoma / Q000601:surgery; D002908:Chronic Disease; D003638:Deafness; D004428:Ear Neoplasms / Q000601:surgery; D007758:Ear, Inner / Q000601:surgery; D005402:Fistula / Q000601:surgery*; D006320:Hearing Tests; D006801:Humans; D007759:Labyrinth Diseases / Q000601:surgery*; D008416:Mastoid / Q000601:surgery; D011183:Postoperative Complications; D014433:Tympanoplasty