再生障碍性贫血(简称再障)是血液系统较难治的出血性疾病之一。有研究表明,其发病机制可能与长期接触化学毒物如苯、砷剂等,或服用氯霉素、磺胺类、非甾体类抗炎药物,或因电离辐射损害、病毒感染、免疫功能紊乱等因素直接相关〔1-3〕。本研究模拟临床继发性再生障碍性贫血的发 Aplastic anemia (referred to as aplastic anemia) is one of the more difficult hemorrhagic diseases in the blood system. Studies have shown that its pathogenesis may be related to long-term exposure to chemical poisons such as benzene, arsenic, etc., or taking chloramphenicol, sulfonamides, non-steroidal anti-inflammatory drugs, or due to ionizing radiation damage, viral infections, immune dysfunction Factors are directly related to 〔1-3〕. This study simulated the onset of clinical secondary aplastic anemia