Methods Conventional bone marrow biopsy of posterior superior iliac spine was conducted,paraffin-embedded sections were stained with HE,Gomori and Prussian blue staining,and observed under light microscope.

• 方法收集经临床初诊的各种血液病75例,行常规髂后上棘骨髓活检,石蜡包埋,HE、Gomori、Perls普鲁蓝铁染色及光镜观察。