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Definition
By Mayo Clinic staffAn intravenous pyelogram (PIE-uh-loh-gram), also called an excretory urogram, is an X-ray exam of your urinary tract. An intravenous pyelogram lets your doctor view your kidneys, your bladder and the tubes that carry urine from your kidneys to your bladder (ureters). An intravenous pyelogram may be used to diagnose disorders that affect the urinary tract, such as kidney stones, bladder stones, enlarged prostate, kidney cysts or urinary tract tumors.
During an intravenous pyelogram, you'll have an X-ray dye (iodine contrast solution) injected into a vein in your 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.
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- Post TW, et al. Radiological assessment of renal disease. http://www.uptodate.com/index. Accessed April 16, 2012.
- Intravenous pyelogram (IVP). American Urological Association Foundation. http://www.urologyhealth.org/urology/index.cfm?article=78. Accessed April 16, 2012.
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- Medullary sponge kidney. National Kidney and Urologic Diseases Information Clearinghouse (NKUDIC). http://kidney.niddk.nih.gov/kudiseases/pubs/medullaryspongekidney/. Accessed May 3, 2012.
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