Highly reproducible technique for the estimation of trabecular bone density: three slice method on peripheral quantitative CT

The reproducibility of bone mineral density (BMD) measurements with peripheral quantitative CT has been limited by the repositioning error. In this study, 1 mm-step 3-slice scan data were used to compensate for this error in trabecular BMD of the distal radius. The assessment was based on the liner...

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Bibliographic Details
Published inNihon Igaku Hoshasen Gakkai zasshi. Nippon acta radiologica Vol. 57; no. 6; p. 347
Main Authors Mizukawa, K, Sugiyama, N, Mori, Y, Satoh, K, Ohkawa, M
Format Journal Article
LanguageJapanese
Published Japan 01.05.1997
Subjects
Adult
Bone Density - physiology
Humans
Male
Radius - physiology
Reproducibility of Results
Tomography, X-Ray Computed
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Summary:The reproducibility of bone mineral density (BMD) measurements with peripheral quantitative CT has been limited by the repositioning error. In this study, 1 mm-step 3-slice scan data were used to compensate for this error in trabecular BMD of the distal radius. The assessment was based on the liner relations between the cross-sectional area and trabecular bone mineral content and trabecular area ratio, on the condition that the trabecular bone is defined by a BMD value. The estimated reproducible errors of less than 2% under clinical conditions indicate that the method is reliable for follow-up examination.
ISSN:0048-0428