The cellularity of trephine biopsy was compared to that of aspiration in 34 cases with acute leukemia.The level of reticulin fiber was also monitered during chemical therapy in 10 AML.

对比分析34例急性白血病继发维化的活检片与涂片增生度,察10例急性粒细胞白血病化疗过程中网硬蛋白维含量变化。