一、概述白细胞减少症是血液系统对相应病因因子的一种反应,反映着血液功能改变状态,表现造血调节和白细胞生成、释放、分布的机能障碍或被破坏过多,白细胞计数少于4000/立方毫米,而临床上又可找到一些与其有关的征象者。当然,也有一些健康人,其白细胞数可少至1500～2000/立方毫米,而临床上没有任何症状的。白细胞又可根据其 First, an overview of leukopenia is the blood system of the corresponding etiological factor of a reaction reflects the state of blood changes, the performance of hematopoietic regulation and leukocyte generation, release, distribution of dysfunction or destroyed too much, white blood cell count less than 4000 / Cubic millimeter, but clinically find some of its associated symptoms. Of course, there are also some healthy people whose white blood cell count can be as little as 1500-2000 per cubic millimeter without any clinical symptoms. White blood cells can be based on it