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室管膜瘤起源于脑室和脊髓中央管的室管膜细胞,仅约占颅内胶质瘤的5%~6%~([1])。室管膜瘤对放疗敏感。目前有效的治疗策略为手术切除及术后放疗~([2-3])。术中放疗技术(intra-operative radiotherapy,IORT)可以给予瘤床直接照射而周围正常组织接受剂量小,抑制肿瘤在等待外放疗期间生长,是外放疗的很好补充治疗方案。新型可移动术中放疗设备术中光子治疗仪(INTRABEAM)使用的射线为低能X线,可应用于普通手术室。目前INTRABEAM在神经外科室管膜瘤领域
Ependymoma originated from the ependymal cells of the central ventricle and spinal cord, accounting for only about 5% to 6% of intracranial gliomas ~ ([1]). Ependymoma is sensitive to radiotherapy. The current effective treatment strategy for surgical resection and postoperative radiotherapy ~ ([2-3]). Intraoperative radiotherapy (intra-operative radiotherapy, IORT) can give direct irradiation of the tumor bed and the surrounding normal tissue to accept a small dose, inhibit tumor growth during waiting for external radiotherapy, external beam therapy is a good complementary treatment. The new removable intraoperative radiotherapy equipment intraoperative photon therapy device (INTRABEAM) radiation used for low-energy X-ray can be applied to the general operating room. INTRABEAM is currently in the field of neurosurgical ependymoma