Choristoma of the middle ear.
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.
Anderhuber
W
W
ENT Department, University Hospital, Graz, Austria.
Beham
A
A
Walch
C
C
Stammberger
H
H
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