Fig. 2

Abdominal CT with contrast in early porto venous phase, paracoronal images. (a) Mild to moderate wall thickening with contrast enhancement in extensive areas of left ureter (arrow) and pelvicalyceal system, consistent with ureteritis. (b) Follow-up scan shows total or near to total remission of inflammatory changes in the left ureter. (c) Curved reconstruction, from CT at the time of onset of symptoms showing the extension of the inflammatory changes in left ureter and pelvicalyceal system (arrows) – most of the cranial two thirds of the system is affected