造血干细胞移植是治疗恶性血液病和某些实体瘤的有效措施。它对减少疾病复发，延缓疾病发展，提高患者的无病生存期有着一定的效果。我们对４例患者进行了自体外周血造血干细胞移植（ＡＰＢＳＣＴ），现报告如下。１　材料和方法１－１　对象　急性淋巴细胞白血病２例，经过治 Hematopoietic stem cell transplantation is an effective measure to treat hematological malignancies and certain solid tumors. It has a certain effect on reducing the recurrence of disease, delaying the development of the disease, and improving the disease-free survival of patients. We performed autologous peripheral blood stem cell transplantation (APBSCT) in 4 patients and the report is as follows. 1 Materials and Methods 1-1 Subjects Acute lymphoblastic leukemia, 2 cases, after treatment