A 6-year-old girl underwent ureterocystoneostomy (UCN) because of left flank pain due to delayed onset of ureteral stenosis one and a half years after endoscopic dextranomer/hyaluronic acid copolymer (Deflux) injection for the treatment of vesicoureteral reflux (VUR). Histopathological examination indicated chronic inflammation with abundant eosinophils characteristic of a reaction to... https://www.findingthestory.com/product-category/engine-driven-welders/