Massive otosclerosis of the fallopian canal.
D001299:Audiometry; D004429:Ear Ossicles / Q000473:pathology / Q000601:surgery; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008875:Middle Aged; D010040:Otosclerosis / Q000601:surgery*; D011182:Postoperative Care; D011300:Preoperative Care; D013701:Temporal Bone / Q000473:pathology / Q000601:surgery*