Nasopharyngeal angiofibromas.
D018322:Angiofibroma; D006391:Hemangioma; D018219:Histiocytoma, Benign Fibrous / Q000473:pathology*; D006801:Humans; D009303:Nasopharyngeal Neoplasms
ANGIOMA, SCLEROSING/pathology; NASOPHARYNX/neoplasms