Ohama K, Sanada M, Nakagawa H
Department of Obstetrics and Gynecology, Hiroshima University School of Medicine.
Nihon Rinsho. 1994 Sep;52(9):2317-22.
The principles of microdensitometry (MD) and digital image processing method (DIP), as well as the application of these methods to measure bone mineral density in clinical practice, were mentioned in the report. MD and DIP assess bone mineral content and bone mineral density by analyzing relative contrast of the metacarpus II on X-ray image. However, the parameters obtained by these methods have been reported to be closely related to lumber vertebral bone mineral density and whole-body bone mineral content as measured by dual energy X-ray absorptiometry (DXA). Being easy to use, MD and DIP are adequate for the screening of osteoporosis. Once any reduction in bone mineral content or bone mineral density is shown by MD or DIP, it is recommendable to measure bone mineral density of vertebrae and femoral neck by DXA.
该报告提到了微量密度测定法（MD）和数字图像处理方法（DIP）的原理，以及这些方法在临床实践中用于测量骨矿物质密度的应用。MD和DIP通过分析第二掌骨在X射线图像上的相对对比度来评估骨矿物质含量和骨矿物质密度。然而，据报道，通过这些方法获得的参数与通过双能X射线吸收法（DXA）测量的腰椎骨矿物质密度和全身骨矿物质含量密切相关。MD和DIP易于使用，适用于骨质疏松症的筛查。一旦MD或DIP显示骨矿物质含量或骨矿物质密度有任何降低，建议通过DXA测量椎骨和股骨颈的骨矿物质密度。
