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Why is a retrograde pyelogram done?
You may have a retrograde pyelogram if:
- The intravenous pyelogram (IVP) does not show a reason for your urinary symptoms.
- The IVP cannot be done because of kidney problems such as chronic kidney disease.
- You are allergic to the iodine-based dye (contrast material) used in the IVP.
Pregnant women normally do not have this test, because the X-rays may harm the unborn baby.
What do the results of a retrograde pyelogram mean?
Normal
The kidneys, ureters, and bladder appear normal.
Abnormal
The flow of the dye (contrast material) is blocked, either by a stone or another urinary problem.
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