title: Nasopharyngeal angiofibroma: light and electron microscopic changes after stilbesterol therapy.
mesh_terms: D001706:Biopsy; D001808:Blood Vessels / Q000473:pathology; D002648:Child; D003238:Connective Tissue / Q000473:pathology; D004054:Diethylstilbestrol / Q000627:therapeutic use*; D018219:Histiocytoma, Benign Fibrous / Q000188:drug therapy* / Q000473:pathology; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D009303:Nasopharyngeal Neoplasms / Q000188:drug therapy* / Q000473:pathology; D011300:Preoperative Care
chemical_list: D004054:Diethylstilbestrol