MALIGNANT TRANSFORMATION OF BENIGN LARYNGEAL  PAPILLOMAS IN CHILDREN AFTER RADIATION THERAPY.
D002277:Carcinoma; D002294:Carcinoma, Squamous Cell; D002648:Child; D007627:Keloid; D007822:Laryngeal Neoplasms; D009369:Neoplasms / Q000532:radiotherapy*; D010336:Pathology; D011832:Radiation Injuries
CARCINOMA, EPIDERMOID; CHILD; KELOID; LARYNGEAL NEOPLASMS; NEOPLASM RADIOTHERAPY; PATHOLOGY; RADIATION INJURY