Radiation therapy is a treatment of malignant gliomas in adults. It improves survival rates, whether used alone, in addition to surgery, or in combination with chemotherapy. Three-dimensional imaging techniques, image fusion, and conformational radiotherapy are optimizing treatment plans for the treatment of these tumors and are sparing healthy tissue. After a review of the physical and biological bases of ionizing radiation, we present the techniques, results, side effects, and results of irradiation of glioblastomas.
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