本文报告一11岁男孩,因便秘5个月、尿失禁20天入院。至入院前3天始出现皮疹、发热,经骨穿证实为急性单核细胞性白血病。患儿未能早期诊断的教训是:1.对白血病造血器官外的浸润认识不足。2.病程中体检欠详细,患儿在外院诊治3个多月,入院时右下腹可及7×4cm包块,未能早期发现追朔病因。3.对拟 This article reports an 11-year-old boy admitted to hospital 20 days after urinary incontinence due to constipation for 5 months. 3 days before admission to appear rash, fever, proved to be acute monocytic leukemia by bone. The lessons that children fail to diagnose early are: 1. Insufficient understanding of infiltration outside leukemia hematopoietic organs. 2. During the course of the medical examination is not detailed, the children in the hospital for diagnosis and treatment more than 3 months, admitted to the right lower quadrant and 7 × 4cm mass, failed to early found Chaoshu etiology. 3. To be