title: Osteoma involving multiple paranasal sinuses.
mesh_terms: D000328:Adult; D005005:Ethmoid Sinus; D005626:Frontal Sinus; D006801:Humans; D008297:Male; D009666:Nose / Q000601:surgery; D010016:Osteoma / Q000601:surgery*; D010255:Paranasal Sinus Neoplasms / Q000601:surgery*