近20年来,有关儿童血液肿瘤性疾病诊断和治疗的研究进展较快,但仍有些血液病的治疗十分困难,如急性重型再生障碍性贫血(SAA)、骨髓增生异常综合征(MDS)、慢性免疫性血小板减少性紫癜(ITP),其研究进步稍慢。现将其近年来国内外进展综述如下。1急性重型再生障碍性贫血SAA是一种十 In the recent 20 years, the research on the diagnosis and treatment of hematological neoplasms in children has progressed rapidly, but some hematological diseases are still very difficult to treat, such as acute severe aplastic anemia (SAA), myelodysplastic syndrome (MDS), chronic Immune thrombocytopenic purpura (ITP), its research progress is slightly slower. Now in recent years the progress of both at home and abroad are summarized below. Acute severe aplastic anemia SAA is a ten