Definition of "pyelogram" [pyelogram]

• An x-ray obtained by pyelography. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Imaging tests used to diagnose kidney stones include ultrasound, intravenous pyelogram (IVP), and computerized tomography (CT) scan."
• "IVP stands for intravenous pyelogram, a test in which we inject a radio-opaque dye into a vein and then X-ray the abdomen to document the passage of the dye through the kidneys, ureters, and bladder."