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定量CT对2型糖尿病性骨质疏松的诊断意义

Lu TAN,Caifeng YAN

Chinese Journal of Osteoporosis（2019）

Cited 2|Views7
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Abstract
2型糖尿病(type 2 diabetes mellitus,T2DM)通过多种因素影响骨微结构和骨密度,导致骨强度下降,骨折风险增加.定量CT(quantitative computed tomography,QCT)测定三维体积骨密度(volume bone mineral density,vBMD)优于双能X线吸收法(dual energy X-ray absorptiometry,DXA)测定的面积骨密度(area bone mineral density,aBMD)对T2DM患者骨折风险评估,还能发现松质骨的结构改变、皮质骨多孔性结构,对骨量细微改变具有高敏感性.将QCT与有限元分析法结合,通过骨密度、骨组织结构同时分析骨应力来评价骨强度,对T2DM患者骨折风险的预测更有价值.
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