慢性粒细胞白血病（ＣＧＬ）属于慢性骨髓增生性疾病，临床上根据其病程演变过程分为慢性期、加速期和急变期，而在不同病期，患者血小板数量及功能差异很大。我们对１９９例ＣＧＬ患者各病期外周血血小板数量和功能的变化及骨髓涂片巨核细胞数量进行动态观察，结果报告如... Chronic myelogenous leukemia (CGL) belongs to chronic myeloproliferative disease. Clinically, it is divided into chronic phase, accelerated phase and blast crisis phase according to the course of its disease progression. In different disease phases, the number and function of platelets in patients are very different. We performed dynamic observations of the changes in platelet counts and functions and the number of bone marrow smear megakaryocytes in 199 CGL patients at each stage of disease. The results were reported as...