The significance and management of the drumhead retraction pocket.
D000233:Adenoidectomy; D000293:Adolescent; D001299:Audiometry; D002648:Child; D002675:Child, Preschool; D004427:Ear Diseases / Q000209:etiology / Q000628:therapy; D004432:Ear, Middle; D005064:Eustachian Tube / Q000503:physiopathology; D006801:Humans; D010033:Otitis Media / Q000150:complications; D011127:Polyps / Q000209:etiology; D014432:Tympanic Membrane; D014433:Tympanoplasty