title: Choristoma of the middle ear.
abstract: Choristoma is a mass of tissue histologically normal for an organ or part of the body other than the site at which it is located. A rare case of ectopic salivary gland choristoma in the middle ear is described in a 4-year-old boy whose only symptom was a 50 dB conductive hearing loss in the presence of a normal tympanic membrane.
authors.affiliation: ENT Department, University Hospital, Graz, Austria.
authors.forename: W
authors.initials: W
authors.lastname: Anderhuber
authors.forename: A
authors.initials: A
authors.lastname: Beham
authors.forename: C
authors.initials: C
authors.lastname: Walch
authors.forename: H
authors.initials: H
authors.lastname: Stammberger
mesh_terms: D001299:Audiometry; D002675:Child, Preschool; D002828:Choristoma / Q000150:complications / Q000503:physiopathology* / Q000601:surgery; D004432:Ear, Middle / Q000503:physiopathology* / Q000601:surgery; D006314:Hearing Loss, Conductive / Q000175:diagnosis / Q000209:etiology; D006801:Humans; D008297:Male; D014432:Tympanic Membrane / Q000502:physiology