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骨密度指标已经广泛 应用于临床上对骨质疏松的诊断。但是随着大量误诊与漏诊现象的发生和报导,临床上逐渐发现以骨密度为指标制定的诊断标准的局限性。为了减少或消除误诊现象,我们有必要深入分析骨密度的物理意义及骨质疏松诊断标准数学表达的含义。本文讨论了骨骼密度和形状随骨量减少而变化的特点,分析了骨密度参数的物理意义以及与骨密度相关的其他参数,介绍了临床上常用骨密度仪的原理及性能。本文探讨了以骨密度为指标在骨质疏松诊断过程中造成误诊与漏诊的原因。最后介绍了与骨质疏松程度相关的骨强度指标,以及骨强度指标克服骨密度指标所造成误诊与漏诊的原理。
Bone mineral density has been widely used in clinical diagnosis of osteoporosis. However, with a large number of misdiagnosis and missed diagnosis and reporting of the phenomenon, gradually found in clinical diagnosis of bone mineral density as an indicator of the limitations. In order to reduce or eliminate the misdiagnosis, it is necessary for us to further analyze the physical meaning of bone mineral density and the mathematical expression of osteoporosis diagnostic criteria. This paper discusses the characteristics of bone density and shape changes with the decrease of bone mass, analyzes the physical meaning of bone mineral density parameters and other parameters related to bone mineral density, and introduces the principle and performance of the commonly used clinical bone mineral density meter. This article explores the causes of misdiagnosis and missed diagnosis in the diagnosis of osteoporosis using bone mineral density as an index. Finally introduced the degree of osteoporosis related bone strength index, as well as the bone strength index overcomes the bone density index caused by misdiagnosis and missed diagnosis principle.