Fig. 3
A case of pelviureteric junction obstruction a ultrasound shows marked dilatation of the renal pelvis with marked thinning of the renal parenchyma. b axial high-resolution T2-WI of MRU protocol reveals dilated renal pelvis with parenchymal thinning, c Dynamic renal scintigraphy shows early photopenic area at the site of renal pelvis which fills of the tracer with time (asterisk)