| Intravenous pyelography has greater sensitivity and specificity for the detection of renal calculi. |
| Antegrade pyelography, however, requires the use of iodinated contrast medium and ionising radiation exposure. |
| Intravenous pyelography, also known as intravenous urography, is a procedure to X-ray the urinary system. |
| If necessary, intravenous pyelography, computed tomography or magnetic resonance imaging can add more information. |
| Water-enhanced antegrade MR pyelography was a safe and effective method of imaging the pregnant patient. |
| Renal ultrasound examination or intravenous pyelography are carried out on the twelfth day. |
