本文报道了１６例急性白血病、１例骨髓增生异常综合征患者接受非净化自体骨髓移植。移值过程中有４例并发了出血性膀胱炎，发生率为２３．５％．４例均为应用大剂量环磷酰胺后２～４天发生，血尿持续时间为５～４０天，中位数８天，经过治疗均痊愈。 This article reports 16 patients with acute leukemia and 1 patient with myelodysplastic syndrome undergoing unpurged autologous bone marrow transplantation. There were 4 cases of hemorrhagic cystitis during the transfer process, the incidence was 23.5%. All 4 cases occurred 2 to 4 days after the application of high-dose cyclophosphamide. The duration of hematuria was 5 to 40 days, and the median time was 8 days. All of them were healed after treatment.