title: Radiology quiz case. Antrochoanal polyp (ACP).
authors.affiliation: Duke University Medical Center, Durham, NC, USA.
authors.forename: Jeanne
authors.initials: J
authors.lastname: Lee
authors.forename: Andy T A
authors.initials: AT
authors.lastname: Chung
authors.forename: Richard L
authors.initials: RL
authors.lastname: Scher
mesh_terms: D000328:Adult; D003680:Deglutition Disorders / Q000209:etiology; D003937:Diagnosis, Differential; D004724:Endoscopy; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D008443:Maxillary Sinus / Q000601:surgery; D009296:Nasal Cavity / Q000473:pathology* / Q000601:surgery; D015508:Nasal Obstruction / Q000209:etiology; D009298:Nasal Polyps / Q000175:diagnosis* / Q000601:surgery; D009303:Nasopharyngeal Neoplasms / Q000175:diagnosis* / Q000601:surgery; D009959:Oropharyngeal Neoplasms / Q000175:diagnosis* / Q000601:surgery; D010255:Paranasal Sinus Neoplasms / Q000175:diagnosis* / Q000601:surgery; D014057:Tomography, X-Ray Computed