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例急病继发骨髓纤维化的骨髓活检片与涂片增生度,动态观察10例急胞病化疗过程中网硬蛋纤维含量变化。