Ⅰ. INTRODUCTION So far, the diagnosis of preleukemia in MDS patients has been of retrospect. No method can be used for early finding of leukemia development in MDS. Thus, the diagnosis could not be confirmed until th...Ⅰ. INTRODUCTION So far, the diagnosis of preleukemia in MDS patients has been of retrospect. No method can be used for early finding of leukemia development in MDS. Thus, the diagnosis could not be confirmed until the MDS patients developed into leukemia. By using a G banding technique, the chromosome aberrations of BM cells were found only in about 50% of MDS patients and these aberrations were not specific to leukemia development.展开更多
文摘Ⅰ. INTRODUCTION So far, the diagnosis of preleukemia in MDS patients has been of retrospect. No method can be used for early finding of leukemia development in MDS. Thus, the diagnosis could not be confirmed until the MDS patients developed into leukemia. By using a G banding technique, the chromosome aberrations of BM cells were found only in about 50% of MDS patients and these aberrations were not specific to leukemia development.