What is intravenous pyelography (IVP)?
IVP is the most common of all urologic studies. It is a test that uses contrast dye to outline the kidneys, ureters and bladder and provides information about renal function on an X-ray. The dye is administered through a vein. A urologist is likely to order this test if a patient complains of flank pain, blood in the urine (hematuria) or any stone-related symptoms. It may also be utilized as a screening test to prompt your urologist to obtain another imaging test for further information. A preliminary film of the abdomen and pelvis is a basic part of this examination and this is usually done without contrast dye. This helps the radiologist determine the proper radiographic technique and patient positioning. A single film of the abdomen that includes the pubic bone may suffice in some patients, whereas in others, an additional film is focused on the kidneys. A full set of specific kidney films may be of value in a patient suspected of having small kidney stones. Contrast dye is then giv
