慢性中性粒细胞白血病 (CNL)是一种罕见的白血病 ,192 0年由 Touhy首次报告 ,至今见于西方文献的报告不足10 0例 [1 ]。 195 7年— 1970年中国医学科学院血液病医院诊治白血病 32 0 0余例 ,1986年— 1988年同一单位组织进行了全国 2 2个省 (市 )、自治区 46个调查点 6 0 5 5 71 Chronic neutrophilic leukemia (CNL) is a rare leukemia that was first reported by Touhy in 190, and less than 100 cases have been reported in the Western literature so far [1]. 195 7 years-1970 Chinese Academy of Medical Sciences hematology hospital diagnosis and treatment of leukemia more than 32 0 cases, 1986 -1988 the same unit organizations in 22 provinces (municipalities), autonomous regions 46 survey points 6 0 5 5 71