2白细胞检验外周血涂片白细胞检验主要有三个方面:检验白细胞构成(细胞百分比)有无异常,白细胞有无形态变化和有无正常情况下不应出现的幼稚细胞,后者通常还包括非白细胞的幼稚细胞,如有核红细胞、巨核细胞和浆细胞。2.1粒细胞检验2.1.1成熟粒细胞异常形态及其意义外周血涂片中性粒细胞包括中性杆状核粒细胞和分叶核粒细胞,分别占1.0%~1.5%和50%~70%。中性杆状 2 leukocyte test peripheral blood smear Leukocyte test has three main aspects: to test the composition of white blood cells (percentage of cells) with or without abnormalities, morphological changes of white blood cells and with or without normal circumstances should not appear naive cells, which usually include non-white blood cells Of naive cells, such as nucleated red blood cells, megakaryocytes and plasma cells. 2.1 Granulocyte 2.1.1 Abnormal morphology of mature granulocytes and its significance Peripheral blood smear neutrophils, including neutral rod granulocytes and leaf nucleated granulocytes, accounting for 1.0% to 1.5% and 50% to 70 %. Neutral rod