title: Malignant degeneration of nonirradiated juvenile laryngeal papillomatosis.
abstract: Malignant degeneration in nonirradiated juvenile laryngeal papillomatosis is exceedingly rare. Review of the world literature reveals one case in the English literature and two in the German literature. A 23-year-old patient, representing the youngest reported case in English literature, is presented.
mesh_terms: D000328:Adult; D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D002648:Child; D005350:Fibroma / Q000473:pathology*; D006801:Humans; D007822:Laryngeal Neoplasms / Q000473:pathology*; D009378:Neoplasms, Multiple Primary