In the procedure intravenous pyelogram (IVP), the patient is injected with radiopaque dye and X-rays are taken as the dye travels through the urinary tract. This procedure is performed to confirm the presence of kidney stones, although some stones may be too small to see.

Review Date: 4/26/2002 12:00:00 AM Reviewed By:A.D.A.M. Medical Illustration Team

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