Nasopharyngeal fibroma. (Report of a case).
D000293:Adolescent; D003036:Cobalt Isotopes / Q000627:therapeutic use; D005350:Fibroma / Q000532:radiotherapy / Q000601:surgery*; D006801:Humans; D008297:Male; D009303:Nasopharyngeal Neoplasms / Q000532:radiotherapy / Q000601:surgery*; D011300:Preoperative Care
D003036:Cobalt Isotopes