Intraoperative radiation therapy for brain tumors with emphasis on retreatment for recurrence following full-dose external beam irradiation.


We performed intraoperative radiotherapy (IORT) in 19 patients with various brain tumors. IORT was given for primary tumors in 2 patients with malignant glioma, but was used for treating recurrent tumors in the other 17 patients. The former 2 patients respectively received 33 Gy by IORT alone and 30 Gy by IORT in combination with 50 Gy of external beam… (More)


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