Visualization of a retraction pocket/cholesteatoma: indications for use of the middle ear telescope in children.
D002648:Child; D002781:Cholesteatoma / Q000175:diagnosis*; D004427:Ear Diseases / Q000175:diagnosis; D004432:Ear, Middle; D019723:Endoscopes; D006801:Humans; D014432:Tympanic Membrane