进修医生教授，请问骨髓增生异常综合征（ＭＤＳ）这一术语的概念近年来有什么新的变化呢？教授ＭＤＳ这一术语主要用在急性粒细胞性白血病（ＡＭＬ）发病前，经数月乃至数年的获得性血液学异常状态时。约２５％～５０％的ＡＭＬ患者于病前常先出现一个进行性骨髓衰竭和造... After studying doctors, what are the new changes in the concept of the term myelodysplastic syndrome (MDS) in recent years? The term MDS is mainly used in the acquisition of hematological abnormalities of several months or even years before the onset of acute myeloid leukemia (AML). About 25% to 50% of patients with AML often have a progressive bone marrow failure and pre-existing disease.