Which of following is not a feature of renovascular hypertension on intravenous urography -: (A) Delayed 'wash - out' of contrast, (B) Filling defect in calyces, (C) Ureteral kinking, (D) Normal or small sized kidney
Answer is B. IVU findings of renovascular hypertension are -


Delayed or absent nephrogram
Normal or atrophic kidney without calyceal deformity or abnormality
Ureteral kinking (in retroperitoneal fibrosis)
Rim nephrogram