Spine Bone Texture and the Trabecular Bone Score (TBS)
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Trabecular bone score (TBS) is a gray-level texture measure that can be extracted from two-dimensional lumbar spine dual-energy X-ray absorptiometry (DXA) images and provides skeletal information beyond standard bone mineral density (BMD) measurement. This chapter reviews scientific and clinical evidence on the development, validation, and clinical application of lumbar spine TBS. TBS should not be used alone to determine treatment recommendations, but can be used in association with the World Health Organization fracture risk assessment tool (FRAX) to adjust FRAX probability of fracture in postmenopausal women and older men and additionally guide decisions regarding treatment initiation.
KeywordsOsteoporosis Fracture Trabecular bone score Bone texture Dual-Energy X-ray Absorptiometry
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