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全中枢放射治疗是治疗易沿脑脊液或脑膜播散的脑恶性肿瘤的有效方法,但最佳的治疗方案,包括照射野的设计、照射剂量、照射技术以及是否联合化疗一直存在争议。该文探讨了降低全中枢剂量的可行性、联合化疗是否必要、不同放疗技术在全中枢治疗中的优劣势及应用前景,认为不应该盲目降低放疗剂量,螺旋断层放疗在全中枢放疗中具有剂量的均匀性、适行性及对正常组织保护的优势。
Central radiotherapy is an effective method for the treatment of malignant brain tumors that spread easily along the cerebrospinal fluid or the meninges. However, it remains controversial for the best treatment options, including radiation field design, irradiation dose, irradiation technique and chemotherapy. This article discusses the feasibility of reducing the total central dose, combined chemotherapy is necessary, the advantages and disadvantages of different radiotherapy techniques in central surgery and its application prospects, that should not blindly reduce the dose of radiotherapy, spiral CT in central radiation therapy with a dose The uniformity, fitness and protection of normal tissue advantages.