慢粒原始细胞危象的治疗仍然是一个困难的问题。本文介绍用不同的化疗方案对50例慢粒原始细胞危象的治疗经验。材料和方法:在1971～1976年间,共治疗了50个病人,其中男29人,女21人,年龄5.4～68.8岁,中数年龄42.4岁。原始细胞危象的诊断标准是骨髓中见到20%以上的原始细胞及/或周围血液中15%以上的原始细胞;一个或数个附加症象,如不能解释的发热,持续性贫血及/或血小板减少,淋巴结肿大,染 The treatment of CML crisis remains a difficult issue. This article describes the treatment of 50 cases of CML crisis with different chemotherapy regimens. Materials and Methods: Between 1971 and 1976, a total of 50 patients were treated, including 29 males and 21 females, aged 5.4 to 68.8 years, with a median age of 42.4 years. Protozoal crisis is based on the diagnosis of more than 20% of blasts in the bone marrow and / or more than 15% of blasts in the peripheral blood; one or more additional signs such as unexplained fever, persistent anemia, and / Or thrombocytopenia, swollen lymph nodes, stained