Conclusions More emphasizes should he put on bleeding tendency during early treatment in children with AL and treatment of infection complications during induction chemotherapy to reduce TRM.

• 结论应重视并纠正儿童AL治疗早期出血倾向，尤其是急性早幼粒细胞白血病。积极防治诱导化疗中感染并发症，降低化疗相关病死率。