白血病是造血系统的恶性疾病,由于发病急、病程短、首发症状常常不典型而被误诊.现将误诊报道如下:1临床资料30例患者中,男21例,女9例,年龄10岁～60岁.平均36岁.其中诊误为关节炎者9例,再生障碍性贫血5例.神经系统疾病4例,慢性病2例,鼻粘膜病变1例. Leukemia is a malignant disease of the hematopoietic system. It is misdiagnosed because of acute onset, short duration, and initial symptoms. The misdiagnosis is now reported as follows: 1 Clinical data Among the 30 patients, 21 were males and 9 were females, aged 10 years. 60 years old, an average of 36 years old. Of which 9 were diagnosed as arthritis, 5 cases of aplastic anemia. Neurological disease in 4 cases, 2 cases of chronic disease, 1 case of nasal mucosal lesions.