慢性中性粒细胞白血病 (CNL )甚为罕见 ,诊断标准也不统一 ,且易与慢性粒细胞白血病相混淆。我院近几年收治 2例 ,现报告如下。1　临床资料1.1　例 1,男 ,5 2岁 ,教师。因双足拇趾红肿热痛 ,活动受限 3月 ,伴白细胞持续增高 ,于 1996年 12月 17日入院。发病以来 ,自觉头昏、乏 Chronic neutrophilic leukemia (CNL) is rare, diagnostic criteria are not uniform, and easily confused with chronic myeloid leukemia. In recent years, our hospital admitted in 2 cases, are as follows. 1 clinical data 1.1 cases 1, male, 52 years old, teacher. Big toe swelling due to heat pain, limited mobility in March, with leukocytes continued to increase in December 17, 1996 admission. Since the onset, consciously dizzy, lacking