title: Fibrous dysplasia of the temporal bone with cholesteatoma.
abstract: Fibrous dysplasia is an uncommon benign bone disorder of unknown origin. It rarely affects the temporal bone. We report a case of fibrous dysplasia of the temporal bone with cholesteatoma in the external auditory canal, the first complaint of which was left otorrhea. Fibrous dysplasia invaded the external ear canal, stenosis of which causes a cholesteatoma. Mastoidectomy, tympanoplasty, and meatoplasty were performed. We discuss the characteristics of this condition, its differential diagnosis and its treatment.
authors.affiliation: Department of Otolaryngology and Head & Neck Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan. rtochino@med.osaka-cu.ac.jp
authors.forename: Rie
authors.initials: R
authors.lastname: Tochino
authors.forename: Kishiko
authors.initials: K
authors.lastname: Sunami
authors.forename: Hideo
authors.initials: H
authors.lastname: Yamane
mesh_terms: D001301:Audiometry, Pure-Tone; D002781:Cholesteatoma / Q000175:diagnosis* / Q000209:etiology* / Q000601:surgery; D003251:Constriction, Pathologic / Q000150:complications / Q000209:etiology; D003937:Diagnosis, Differential; D004424:Ear Canal / Q000473:pathology / Q000601:surgery; D005260:Female; D005357:Fibrous Dysplasia of Bone / Q000150:complications* / Q000473:pathology / Q000601:surgery; D006314:Hearing Loss, Conductive / Q000209:etiology; D006801:Humans; D008279:Magnetic Resonance Imaging; D008416:Mastoid / Q000473:pathology / Q000601:surgery; D008875:Middle Aged; D038781:Otoscopy; D011877:Radionuclide Imaging; D013701:Temporal Bone / Q000000981:diagnostic imaging / Q000473:pathology*; D014057:Tomography, X-Ray Computed; D014433:Tympanoplasty