Objective To discuss from the clinical and cytogenetic aspect that part of patients now diagnosed as myelodysplastic syndromes (MDS) could be diagnosed early as leukemia and be classified as subacute myeloid leukemia(Sub-AML).

• 目的从临床和细胞遗传学的角度分析骨髓增生异常综合征(MDS)中部分病例是否可更早的诊断为白血病,并探讨亚急性髓性白血病(SubAML)作为白血病一种类型的可能性。