The features of the patients with the four subtypes of myeloid leukemia (M_(2b),M_3,M_(4EO),CML) were different on clinical features as well as cytomorphology,cytogenetics and molecular biology.

• M2b、M3、M4EO、CML4种白血病患者不论在临床特点上,还是细胞形态学上都有各自一定的特征。