Re-irradiation of advanced tumors of the head and neck with fast neutrons.


Twenty-eight patients who had received radical treatment with X rays to tumors of the head and neck presented with advanced recurrent tumors, 23 of them had also undergone surgery and 10 had more than one operation. Seven had also received chemotherapy. They were treated with neutrons to a tumor dose of 1560 cGy in 12 fractions over 26 days using the… (More)