恶性肿瘤治疗过程中,放疗与化疗起着重要的作用,但放疗与化疗均有一定程度的毒副反应。特别是引起骨髓造血功能抑制,如白细胞减少及粒细胞缺乏。临床常因此引起放化疗暂停、中断或减量,成为剂量限制性毒性原因之一。放化疗引起的造血系统功能障碍及损伤,日益得到 Radiation and chemotherapy play an important role in the treatment of malignant tumors, but both radiotherapy and chemotherapy have a certain degree of toxic and side effects. In particular, bone marrow suppression caused by hematopoietic function, such as leukopenia and agranulocytosis. Clinical often caused by chemotherapy, suspension, interruption or reduction, becoming one of the reasons for the dose-limiting toxicity. Radiotherapy and chemotherapy-induced hematopoietic system dysfunction and injury, are getting