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Historically, large computational requirements have left contact modeling approaches unable to combine multiple-length scale effects (comprised by the macro-scale geometry of the component and sub-micron geometry of the surface roughness) into a single deterministic analysis. This work presents a three-dimensional, multi-scale, finite element contact and deformation model for a worn-in radial lip...
Horseshoe kidney (HSK) is the most common renal fusion anomaly. There have been reports of an association of HSKs with medical renal disease. We report a case of a child with nephrotic-range proteinuria and a HSK. As the patient was on peritoneal dialysis, the entire HSK was removed en bloc via a retroperitoneoscopic approach with early postoperative reinitiation of peritoneal dialysis.
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