A computerized tomography (CT) urogram is an imaging exam used to evaluate your urinary tract, including your kidneys, your bladder and the tubes (ureters) that carry urine from your kidneys to your bladder.
CT urography uses X-rays to generate multiple images of a slice of the area in your body being studied, including bones, soft tissues and blood vessels. These images are then sent to a computer and quickly reconstructed into very detailed, 2-D images.
During a CT urogram, an X-ray dye (iodine contrast solution) is injected into a vein in your hand or arm. The dye flows into your kidneys, ureters and bladder, outlining each of these structures. X-ray pictures are taken at specific times during the exam, so your doctor can clearly see your urinary tract and assess how well it's working or look for any abnormalities.
June 11, 2015
- Urography. Radiological Society of North America. http://www.radiologyinfo.org/en/info.cfm?pg=urography. Accessed March 20, 2015.
- Taal MW, et al. Diagnostic kidney imaging. In: Brenner & Rector's The Kidney. 9th ed. Philadelphia, Pa.: Saunders Elsevier; 2011. http://www.clinicalkey.com. Accessed March 20, 2015.
- Computerized tomography. The Merck Manual Professional Edition. http://www.merckmanuals.com/professional/special_subjects/principles_of_radiologic_imaging/computerized_tomography.html. Accessed March 20, 2015.
- Adam A, et al., eds. The urinary tract: Overview of anatomy, techniques and radiation issues. In: Grainger and Allison's Diagnostic Radiology. 6th ed. Philadelphia, Pa.: Churchill Livingstone Elsevier Limited; 2015. http://www.clinicalkey.com. Accessed March 20, 2015.
- O'Neill WC. Radiologic assessment of renal disease. http://www.uptodate.com/home. Accessed March 20, 2015.
- Humphreys MR (expert opinion). Mayo Clinic, Phoenix/Scottsdale, Ariz. April 1, 2015.