title: Giant osteoma of the mastoid.
abstract: Giant osteoma of the mastoid is a rare benign neoplasm that produces symptoms by encroachment on adjacent structures. An unusual feature of this case was impending encroachment on the main trunk of the facial nerve.
mesh_terms: D000328:Adult; D001859:Bone Neoplasms / Q000175:diagnosis* / Q000601:surgery; D005260:Female; D006801:Humans; D008416:Mastoid / Q000601:surgery; D010016:Osteoma / Q000175:diagnosis / Q000601:surgery; D010173:Palpation; D013701:Temporal Bone / Q000000981:diagnostic imaging; D014056:Tomography, X-Ray