title: Pathologic quiz case 2. Sinonasal undifferentiated carcinoma (SNUC).
authors.forename: K T
authors.initials: KT
authors.lastname: Pitman
authors.forename: L F
authors.initials: LF
authors.lastname: Lassen
mesh_terms: D000328:Adult; D002277:Carcinoma / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005005:Ethmoid Sinus / Q000473:pathology*; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D009296:Nasal Cavity / Q000473:pathology*; D009669:Nose Neoplasms / Q000175:diagnosis*; D010255:Paranasal Sinus Neoplasms / Q000175:diagnosis*; D013101:Sphenoid Sinus / Q000473:pathology*; D014057:Tomography, X-Ray Computed