The nasopharyngeal angiofibroma.
D000293:Adolescent; D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D018219:Histiocytoma, Benign Fibrous / Q000000981:diagnostic imaging* / Q000532:radiotherapy*; D006801:Humans; D008297:Male; D009298:Nasal Polyps / Q000175:diagnosis*; D009303:Nasopharyngeal Neoplasms / Q000000981:diagnostic imaging* / Q000532:radiotherapy*; D011859:Radiography