慢性中性粒细胞性白血病(chronicneutrophilic leukemia,CNL)是一种比较少见的慢性白血病,自1976年至1989年,我国约有10余例报告。现报告1例如下。1 病历报告患者,男,32岁。因头晕乏力4个月,于1990年7月5日入院。患者于4个月前始感头晕乏力,左上腹痛,呈撕裂样,纳差,腹胀,活动后心悸。曾发热3d,体温37.8～38.7℃,于外地医院就诊,查肝脾肿大,骨穿疑为“慢粒”,给马利兰治疗8d,后疑为“骨髓纤维化”,当时查Hb 45g/L,停马 Chronic neutrophilic leukemia (CNL) is a rare chronic leukemia, from 1976 to 1989, there are about 10 cases reported in our country. One report is as follows. 1 medical record patient, male, 32 years old. Due to dizziness and weakness for 4 months, on July 5, 1990 admitted. The patient began to feel dizzy and fatigued 4 months ago, left upper quadrant pain, tearing, anorexia, abdominal distension and palpitations after activity. Had fever 3d, body temperature 37.8 ~ 38.7 ℃, in the hospital for treatment, check the liver and spleen enlargement, bone through suspicious as “slow grain”, to Maryland treatment 8d, after suspected “bone marrow fibrosis”, then check Hb 45g / L , Stop the horse