title: Nasal malignancy masquerading as polyposis: importance of biopsy in powered endoscopic sinus surgery.
authors.affiliation: Department of Otolaryngology, University of South Florida College of Medicine, Tampa, Fla., USA.
authors.forename: D A
authors.initials: DA
authors.lastname: Christmas
authors.forename: J C
authors.initials: JC
authors.lastname: Marotta
authors.forename: E
authors.initials: E
authors.lastname: Yanagisawa
mesh_terms: D000368:Aged; D001706:Biopsy; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis* / Q000601:surgery*; D003937:Diagnosis, Differential; D004724:Endoscopy; D005005:Ethmoid Sinus / Q000601:surgery*; D006801:Humans; D008297:Male; D008444:Maxillary Sinus Neoplasms / Q000556:secondary / Q000601:surgery*; D009298:Nasal Polyps / Q000175:diagnosis; D009669:Nose Neoplasms / Q000175:diagnosis* / Q000601:surgery*; D010255:Paranasal Sinus Neoplasms / Q000556:secondary / Q000601:surgery*