Conclusion Abnormal expression of tumour related genes of patients exposed to benzene suggests that they may be the key genes, which play important role in benzene-induced leucocythemia.

• 结论苯暴露患者肿瘤相关基因的表达异常,提示其可能为致白血病的关键基因,在苯致白血病中起着重要的作用;