Comparison of microdensitometry(MD) and quantitative computed tomography(QCT) for osteoporosis.
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Many radiographic methods of determining bone density have been available for many years.We have used microdensitometry (MD) and quantitative computed tomography (QCT), on the grounds that MD measures cortical bone density and QCT can be used to directly measure the trabecular bone.We measured the vertebral body using CaCO3 phantom and the 2nd metacarpal bone with MD in 40 osteoporotic women, and compared with two methods in this paper.Correlation coefficient with CaCO3 value was 0.4809 for MCI (p<0.01), 0.5828 for GSmax (p<0.01), 0.6441 for SigmaGS/D (p<0.01).There was good correlation between the indicies of MD and the CaCO3 value of QCT.
- 西日本整形・災害外科学会の論文
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