Juvenile nasopharyngeal angiofibroma.
D002648:Child; D003937:Diagnosis, Differential; D018219:Histiocytoma, Benign Fibrous / Q000209:etiology / Q000473:pathology / Q000601:surgery*; D006801:Humans; D015994:Incidence; D008297:Male; D009303:Nasopharyngeal Neoplasms / Q000209:etiology / Q000473:pathology / Q000601:surgery*