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为探讨高原居民的脾脏大小和形成这种现象的原因，作者整理、测量、统计了１７６例不同海拔地区（２２６０ｍ～４２００ｍ）的世居和移居者的脾脏ＣＴ横断图像。结果表明：世居相对移居者脾脏较小，移居者脾脏较大Ｐ＜０．０５；在高原地区，世居和移居者的脾脏不随海拔高度的增加而增大，并对造成这种现象的原因进行了分析；同时也分别统计出在海拔２２６０ｍ～４２００ｍ地区世居和移居者男女正常成人的脾脏大小值，为进一步研究高原居民的脾脏功能打下基础。
In order to investigate the spleen size of the plateau residents and the causes of this phenomenon, the author sorted out and measured the CT images of the spleens of 176 resident and migrants in different elevations (2260m ~ 4200m). The results showed that spleen was relatively small in the relative relatives of immigrants and the spleen of migrants was larger than that of the migrants (P <0.05). In the plateau area, the spleens of the settlers and migrants did not increase with altitude, Meanwhile, the spleen sizes of normal adults and males and females in the area of 2260m ~ 4200m above sea level were also calculated, which laid the foundation for further study on spleen function of plateau residents.