title: Juvenile nasopharyngeal angiofibroma in an adult male.
mesh_terms: D000328:Adult; D018219:Histiocytoma, Benign Fibrous / Q000473:pathology*; D006801:Humans; D008297:Male; D009298:Nasal Polyps / Q000473:pathology*; D009666:Nose / Q000473:pathology; D009669:Nose Neoplasms / Q000473:pathology*