title: Radiology quiz case 1. Nasopharyngeal carcinoma (NPC).
authors.affiliation: St Louis University Hospital, St Louis, Mo, USA.
authors.forename: Robert
authors.initials: R
authors.lastname: Dean
authors.forename: Karen
authors.initials: K
authors.lastname: Pitman
authors.forename: Jen-Yih
authors.initials: JY
authors.lastname: Chu
mesh_terms: D000293:Adolescent; D002277:Carcinoma / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D009303:Nasopharyngeal Neoplasms / Q000000981:diagnostic imaging*; D011859:Radiography