Keywords: سونوگرافی، داپلر; renal colic; ureteral calculi; ultrasonography, Doppler; tomography, x-ray computed; hematuriaBMI, body mass index; CDU, color Doppler ultrasound; CT, computerized tomography; ER, emergency room; KUB, plain x-ray of the kidneys, ureters and bladder; NCCT,