title: Case 2-1990.
authors.forename: J D
authors.initials: JD
authors.lastname: Seidman
mesh_terms: D003937:Diagnosis, Differential; D006103:Granuloma, Lethal Midline / Q000175:diagnosis*; D006801:Humans; D008443:Maxillary Sinus; D010254:Paranasal Sinus Diseases / Q000175:diagnosis