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近年来,异体骨髓移植,大剂量诱导性化疗和全身放疗综合治疗来治疗易复发的白血病及后期淋巴瘤病人已在临床上越来越广泛地得到应用,并取得一定的疗效,为了成功地进行骨髓移植,病人自身的骨髓白血病细胞必须被清除,同时病人免疫系统对异体骨髓的排斥必须被抑制,所以,在接受骨髓移植之前通常要进行大剂量化疗和全身放疗。早年的骨髓移植的全身放疗,由于使用~(60)Co远距离治疗机,机
In recent years, allogeneic bone marrow transplantation, large-dose induction chemotherapy and comprehensive systemic radiation therapy to treat patients with relapsed leukemia and late-stage lymphoma have been more and more widely used in clinical practice, and have achieved certain efficacy, in order to successfully carry out bone marrow For transplantation, the patient’s own bone marrow leukemic cells must be removed and the rejection of the patient’s immune system to allogeneic bone marrow must be suppressed. Therefore, high-dose chemotherapy and systemic radiation therapy are usually performed before bone marrow transplantation. Early systemic radiotherapy for bone marrow transplantation due to the use of ~(60)Co teletherapy machines