Incus fixation due to congenital anomaly of chorda tympani.
D000293:Adolescent; D001299:Audiometry; D002814:Chorda Tympani Nerve / Q000002:abnormalities*; D003638:Deafness / Q000209:etiology / Q000473:pathology*; D004429:Ear Ossicles / Q000473:pathology*; D006801:Humans; D008297:Male; D013201:Stapes Surgery