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Exemplary finite element models of the same vertebra (L4 of “spine 1”) in which a tumoral lesion has been added (highlighted in red). For each model, the tumoral size (in mm, cm3 and in percentage of the volume of the vertebral body) as well as the coordinates of the centroid (in mm) with respect to the center of the vertebral body are reported. In the model in the top left corner, loading and boundary conditions are shown.
