[Radiation-induced osteosarcoma of the mandible--report of a case].
D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy*; D006801:Humans; D008297:Male; D008339:Mandibular Neoplasms / Q000209:etiology*; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary; D009381:Neoplasms, Radiation-Induced / Q000209:etiology*; D012516:Osteosarcoma / Q000209:etiology*; D014062:Tongue Neoplasms / Q000532:radiotherapy*