Abstract
Study Design. Cross-sectional study. Objective. To establish the relevance of the conventional two-dimensional (2D) rib vertebra angle difference (RVAD) and the relationship with the complex three-dimensional (3D) apical morphology in scoliosis. Summary of Background Data. The RVAD, also known as Mehta angle, describes apical rib asymmetry on conventional radiographs and
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