title: Fibromatosis and fibrosarcoma of the larynx and pharynx in an infant.
abstract: A 14-month-old infant had congenital solitary fibromatosis of the larynx that showed fibrosarcomatous change and that spread to the pharynx and the anterior part of the neck. The histologic condition is discussed, as is the surgical treatment with total laryngopharyngectomy. A five-year postoperative follow-up is included.
mesh_terms: D005354:Fibrosarcoma / Q000473:pathology* / Q000601:surgery; D006801:Humans; D007223:Infant; D007822:Laryngeal Neoplasms / Q000503:physiopathology* / Q000601:surgery; D007825:Laryngectomy; D008297:Male; D009364:Neoplasm Recurrence, Local; D010610:Pharyngeal Neoplasms / Q000503:physiopathology* / Q000601:surgery; D011184:Postoperative Period