Diagnostic Accuracy of x Ray Kub in Diagnosing Renal Calculi Keeping CT Scan as Gold Standard

In clinical practice both Xray and CT Scan KUB are reliable,however, Ctscan is superior to X ray KUB in detecting renal and ureteric calculi,the reson being stone that are missed by xray KUB are usually small and sould pass spontenously while other are usually with improper bowel preparation