[Iatrogenic cholesteatomas of a pearly appearance].
D002781:Cholesteatoma / Q000209:etiology* / Q000601:surgery; D004423:Ear / Q000601:surgery*; D004427:Ear Diseases / Q000209:etiology* / Q000601:surgery; D006801:Humans; D007049:Iatrogenic Disease; D011183:Postoperative Complications
Colesteatomas iatrógenos de aspecto perlado.