Neurilemoma of the sphenoid sinus.
D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D009442:Neurilemmoma / Q000175:diagnosis / Q000473:pathology; D010255:Paranasal Sinus Neoplasms / Q000175:diagnosis / Q000473:pathology; D013101:Sphenoid Sinus / Q000473:pathology