[摘要] 骨密度(BMD)的测量是骨质疏松症诊断的主要依据，现阶段测量骨密度的影像学方法有双能光子骨密度仪(DXA)、定量CT(QCT)、定量超声(QUS)、MRI、能谱CT等。本文将就各种方法的优势与劣势进行综述。

    [关键词] 骨密度；体层摄影术；X线计算机；能谱成像；光密度测量法；X线；磁共振成像；定量超声测定法； 骨质疏松

    [中图分类号] R817.4 [文献标识码] A [文章编号] 1673-9701(2014)11-0158-03

    [Abstract] The measurement of bone mineral density(BMD) is the main basis for the diagnosis of osteoporosis. Radiologic techniques for measuring bone mineral density(BMD) include dual X-ray absorptiometry (DXA)， quantitative computed tomography(QCT)， quantitative ultrasound(QUS) ......