<prompt> Which of the following is not a feature of renovascular hypertension on IVU?Delayed wash out of contrastUreteral kinkingFilling defect in calycesNormal or small sized kidney  <response>: Ans. C. Filling defect in calycesFilling defect in calyces is not a feature of renovascular hypertension on IVU.IVU findings of Renal vascular hypertension are: Delayed or absent nephrogram Normal or atrophic kidney with atrophic deformity or abnormality Ureteral kinking in retroperitoneal fibrosis Rim Nephrogram 