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  • Title: Radiation-induced bone sarcoma following total body irradiation: role of additional radiation on localized areas.
    Author: Kirova YM, Rafi H, Voisin MC, Rieux C, Kuentz M, Mouel SL, Levy E, Cordonnier C.
    Journal: Bone Marrow Transplant; 2000 May; 25(9):1011-3. PubMed ID: 10800073.
    Abstract:
    A 44-year-old patient who had had acute monoblastic leukemia developed an osteosarcoma of the pelvic bones 5 years after an allogeneic bone marrow transplant from his HLA-identical sister. He had additionally received superficial cutaneous radiation of the legs and pelvis, over the 3 weeks prior to total body irradiation (TBI), because of cutaneous leukemic lesions. The tumor was a fibrohistiocytomatous osteogenic sarcoma. The first lesion was in the right ilium, and a second lesion appeared 18 months later, symmetrically on the left ilium. Despite treatment, the patient died from metastases. At the time of diagnosis of radiation-induced sarcoma, the patient was free of leukemia and had several risk factors already reported to favor the development of solid tumors in stem cell recipients. These include acute leukemia, TBI and graft-versus-host disease. As he developed symmetrical lesions of the pelvic bone, and because of the histology of the radiation-induced tumor, we assumed that the additional radiation of the skin prior to TBI may have contributed to the pathogenesis of this malignant fibrous histiocytoma. Therefore, the risk/benefit ratio should be carefully considered in unusual indications. These patients should benefit from a close follow-up of the superimposed areas.
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