Abstract
Objective: This work evaluates the relationship between ultrasonic reflection and bone density from fourteen cylindrical bovine cortical bone samples (3.0-cm thick). Methods: Twenty US reflection signals per sample were acquired along the bone surface (2.0-mm step). The Integrated Reflection Coefficient (IRC) from each signal was compared to Quantitative Computed Tomography (QCT). Results: Seven IRC and QCT curves presented Pearson's Correlation R-values above 0.5. For weak correlation curves, QCT and IRC showed similar trends in several segments. Conclusion: IRC was sensitive to bone density variation.
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Matusin, D. P., Fontes-Pereira, A. J., Rosa, P. T. C. R., Barboza, T., de Souza, S. A. L., von Krüger, M. A., & Pereira, W. C. de A. (2018). Exploring cortical bone density through the ultrasound integrated reflection coefficient. Acta Ortopedica Brasileira, 26(4), 255–259. https://doi.org/10.1590/1413-785220182604177202
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