Results and Conclusion: Elderly AL accounted for 14.5% of all AL,AML was the major type,and M5 and L3 were the commonest subtypes.

• 结果和结论: 老年急性白血病占所有急性白血病住院病例的14.；5%25；其中以急性髓系白血病为常见；又以M5和淋巴细胞白血病L3型最多。