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自体造血干细胞移植作为恶性肿瘤治疗的重要措施之一已被临床广泛应用，为降低自体造血干细胞移植后肿瘤复发的可能性，多种体外净化的方法相继而生。近年来通过筛选ＣＤ３４阳性造血千／祖细胞的净化方法已从实验室过渡到临床，并显示出移植后效果的优越性”、’１，我们在１?
Autologous hematopoietic stem cell transplantation as an important measure for the treatment of malignant tumors has been widely used clinically, in order to reduce the possibility of tumor recurrence after autologous hematopoietic stem cell transplantation, a variety of in vitro purification methods have emerged. In recent years, the purification method of screening CD34-positive hematopoietic stem / progenitor cells has been transition from laboratory to clinical and shows the superiority of the effect after transplantation.