The HD-AraC based protocols can improve the long-term DFS rate of childhood AML,and childhood patients can tolerate the insensitivity of the chemotherapy.

• 以HD-AraC为主的联合方案治疗儿童AML可进一步提高远期疗效,患儿能够耐受该化疗方案的强度,值得临床应用。