本文着重分析了57例老年急性白血病 (acute lcukcmia,AL)临床特点、类型及骨髓增生情况,同时分析其中23例的治疗经过。认为老年AL起病相对隐袭,大多数呈亚急性过程,并发症多,容易误诊,常见类型为Ms、L_3,髓象增生极度活跃与明显活跃者占多数(69.7%)。 This article focuses on the analysis of 57 cases of acute lccumia (AL) clinical features, types and bone marrow hyperplasia, while analysis of 23 cases of treatment after. Alzheimer’s disease is relatively insidious, most of which were subacute. There were many complications and were easily misdiagnosed. The common types were Ms and L_3, and the most active and obvious medullary hyperplasia was the majority (69.7%).