目的:利用定量计算机断层成像（quantitative computed tomography,QCT）探讨不同性别体检人群骨密度（bone mineral density,BMD）减低的......

目的比较定量CT(quantitatⅣecomputedtomography,QCT)和双能X线骨密度仪(dual-energyX-rayabsorptiometry,DXA)对股骨近端骨结构......