定量CT和双能X线吸收评价北京地区老年人股骨近端骨结构的比较

被引:4
作者
徐黎 [1 ]
王玲 [2 ]
张勇 [1 ]
马毅民 [1 ]
刘丹 [1 ]
王满宜 [3 ]
程晓光 [1 ]
机构
[1] 北京积水潭医院放射科
[2] 南方医科大学珠江医院放射科
[3] 北京积水潭医院创伤骨科
关键词
老年人; 髋关节; X线; 体层摄影术,X线计算机; 结构分析;
D O I
10.13929/j.1003-3289.2015.10.011
中图分类号
R580 [];
学科分类号
摘要
目的分析定量CT(QCT)和双能X线吸收(DXA)对股骨近端髋部结构分析(HSA)结果的相关性。方法对北京地区40名男性(53~76岁)和76名女性(48~76岁)社区居民行左髋DXA和QCT扫描,分别测量股骨颈横截面积(CSA)和横截面转动惯量(CSMI),对两种方法测量结果行Spearman相关性分析。结果 QCT所测CSA和CSMI均大于DXA所测CSA和CSMI(P均<0.01),两种方法测量CSA差值的中位数为0.97cm2,CSMI差值的中位数为0.49cm4。QCT和DXA测量CSA和CSMI均显著相关(r=0.85、0.78,P均<0.01)。结论 DXA和QCT对中国老年人股骨颈CSA和CSMI测量具有较高的相关性,可用于老年人群股骨近段骨结构诊断。
引用
收藏
页码:1492 / 1496
页数:5
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