Nasopharyngeal fibroma.
D000293:Adolescent; D000328:Adult; D002648:Child; D005006:Ethnicity; D005350:Fibroma / Q000453:epidemiology / Q000209:etiology / Q000601:surgery; D006801:Humans; D008297:Male; D008800:Mexico; D009303:Nasopharyngeal Neoplasms / Q000453:epidemiology / Q000209:etiology / Q000601:surgery; D009364:Neoplasm Recurrence, Local; D012737:Sex Factors