在美国,据估计在 2018 年有 8430 例慢性髓系白血病 (CML) 新发病例,有 1090 例死于这一癌症。[5]Siegel RL, Miller KD, Jemal A. Cancer statistics, 2018. CA Cancer J Clin. 2018 Jan;68(1):7-30.https://onlinelibrary.wiley.com/doi/full/10.3322/caac.21442http://www.ncbi.nlm.nih.gov/pubmed/29313949?tool=bestpractice.com 2018 年,CML 将占美国所有白血病新发病例的 14% 左右。[5]Siegel RL, Miller KD, Jemal A. Cancer statistics, 2018. CA Cancer J Clin. 2018 Jan;68(1):7-30.https://onlinelibrary.wiley.com/doi/full/10.3322/caac.21442http://www.ncbi.nlm.nih.gov/pubmed/29313949?tool=bestpractice.com 发病高峰介于 65-74 岁之间,但所有年龄段人群均可发病,其中男性比例稍高。[6]National Cancer Institute. Surveillance, Epidemiology, and End Results Progam. Cancer stat facts: leukemia - chronic myeloid leukemia (CML). 2018 [internet publication].https://seer.cancer.gov/statfacts/html/cmyl.html 确诊时的中位年龄为 65 岁。[6]National Cancer Institute. Surveillance, Epidemiology, and End Results Progam. Cancer stat facts: leukemia - chronic myeloid leukemia (CML). 2018 [internet publication].https://seer.cancer.gov/statfacts/html/cmyl.html