Cholesteatoma following myringotomy and ventilation tube.
D002648:Child; D002781:Cholesteatoma / Q000150:complications / Q000209:etiology*; D004432:Ear, Middle; D006311:Hearing Disorders / Q000209:etiology; D006801:Humans; D008297:Male; D010036:Otolaryngology / Q000295:instrumentation; D011183:Postoperative Complications / Q000209:etiology*; D014432:Tympanic Membrane / Q000601:surgery*