The results show that LD-Arac and Thalidomide therapy, no serious bone marrow refrain and no infection and bleeding,is an effective method in improveing the patient prognosis.

• LD-Arac和沙利度胺治疗高危MDS确有明显疗效,无严重骨髓抑制,无感染及出血,明显改善高危MDS病人的预后。