title: Primary inverting papilloma of the sphenoid sinus.
mesh_terms: D000368:Aged; D005260:Female; D006801:Humans; D010212:Papilloma / Q000601:surgery; D010255:Paranasal Sinus Neoplasms / Q000601:surgery; D012008:Recurrence; D013101:Sphenoid Sinus / Q000601:surgery