再生障碍性贫血是以骨髓造血组织减少,外周血中全血细胞降低为主要特征,造血功能障碍所引起的贫血综合征。病因尚未完全清楚,国内报告中多数为原因不明的原发性再生障碍性贫血,但可能与许多理化因素(如放射线、药物、化学物质等)、免疫因素、生物学因素(细菌或病毒感染)等有密切关系。对其发病原理的探讨,虽有不少研究,但仍未清楚。近年来对再生障碍性贫血发病原理的认识趋向于由某种致病因 Aplastic anemia is the reduction of bone marrow hematopoietic tissue, peripheral blood hemoglobin decreased as the main feature of hematopoietic dysfunction caused by anemia syndrome. The cause of the disease is not yet fully understood. Most of the reports in the domestic report are of unknown cause of primary aplastic anemia, but may be related to many physical and chemical factors (such as radiation, drugs and chemicals), immune factors, biological factors (bacterial or viral infections) There is a close relationship. The pathogenesis of its discussion, although a lot of research, but still not clear. In recent years, the understanding of the pathogenesis of aplastic anemia tends to be caused by some etiological factor