临床资料一、病例本文40例急性颗粒增多性早动粒细胞白血病（APL）患者全部经外周血及骨髓象检查符合FAB（法、美、英）分类标准的M3型[7]。其中男性22例，女性18例；中位年龄25岁（10～56岁）。二、治疗方法40例APL随机分组，单用全反式维甲酸（RA）组28例，RA加联合化疗对照 Clinical data First, the case of 40 cases of patients with acute Promyelocytic Leukemia (APL) in patients with peripheral blood and bone marrow all in line with FAB (France, the United States, Britain) classification of M3 [7]. There were 22 males and 18 females, with a median age of 25 years (range 10-56 years). Second, the treatment of 40 cases of APL randomized group, all-trans retinoic acid alone (RA) group of 28 cases, RA combined with chemotherapy control