title: Rhabodomyosarcoma simulating nasopharyngeal angiofibroma.
mesh_terms: D000328:Adult; D000792:Angiography; D003937:Diagnosis, Differential; D018219:Histiocytoma, Benign Fibrous / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D009303:Nasopharyngeal Neoplasms / Q000000981:diagnostic imaging*; D009373:Neoplasms, Germ Cell and Embryonal / Q000000981:diagnostic imaging*; D012208:Rhabdomyosarcoma / Q000000981:diagnostic imaging*; D014054:Tomography