Fig. 3

A Enhanced CT scan of the abdomen and pelvis, axial cross section during the nephrogenic phase, showing significant decrease in the pelvicalyceal and ureteral wall thickening bilaterally, with almost complete resolution (arrow). Note as well the significant decrease in perinephric fat streaking after antibiotics administration. B Another axial view during the delayed phase also showing complete resolution of urothelial thickening with absence of any filling defects (arrow)