title: Angiographic evaluation of the regression of an extensive juvenile nasopharyngeal angiofibroma after radiation therapy: a case report with therapeutic implications.
mesh_terms: D000293:Adolescent; D000792:Angiography; D002342:Carotid Artery, External / Q000000981:diagnostic imaging; D018219:Histiocytoma, Benign Fibrous / Q000000981:diagnostic imaging / Q000532:radiotherapy*; D006801:Humans; D008297:Male; D009303:Nasopharyngeal Neoplasms / Q000000981:diagnostic imaging / Q000532:radiotherapy*; D011877:Radionuclide Imaging; D013667:Technetium
chemical_list: D013667:Technetium