title: Radiology quiz case 2. Juvenile nasopharyngeal angiofibroma (JNA), Radkowski grade Ib.
authors.affiliation: Massachusetts Eye and Ear Infirmary, Boston, USA.
authors.forename: David
authors.initials: D
authors.lastname: Jung
authors.forename: Mary E
authors.initials: ME
authors.lastname: Cunnane
authors.forename: Michael J
authors.initials: MJ
authors.lastname: Cunningham
mesh_terms: D000293:Adolescent; D018322:Angiofibroma / Q000175:diagnosis* / Q000628:therapy; D001707:Biopsy, Needle; D004724:Endoscopy / Q000379:methods; D005500:Follow-Up Studies; D005682:Gadolinium; D006801:Humans; D007150:Immunohistochemistry; D008279:Magnetic Resonance Imaging / Q000379:methods*; D008297:Male; D015508:Nasal Obstruction / Q000175:diagnosis / Q000209:etiology; D009303:Nasopharyngeal Neoplasms / Q000175:diagnosis* / Q000628:therapy; D009361:Neoplasm Invasiveness / Q000473:pathology; D009367:Neoplasm Staging; D011856:Radiographic Image Enhancement; D018570:Risk Assessment; D014057:Tomography, X-Ray Computed / Q000379:methods*
chemical_list: D005682:Gadolinium