[Improved prognosis of Ewing-sarcoma by combined irradiation and chemotherapy (author's transl)].

Until recently Ewing's sarcoma has been considered the most lethal malignant bone tumor with the poorest prognosis. An 8-year-old girl with Ewing's sarcoma is described who survived without recurrent disease for nearly 5 years now. 5-year-survival rates among large groups in the literature are reported, and different kinds of therapy compared. There are indications for a tendency that combined radio- and chemotherapy probably have the best results, since in most cases at the time of diagnosis the tumor already has metastasized or, like Lichtenstein believes, Ewing's sarcoma, primarily is of multicentric origin.