Intravenous pyelogram (IVP) is an x-ray exam that uses an injection of contrast material to evaluate your kidneys, ureters and bladder and help diagnose blood in the urine or pain in your side or lower back. An IVP may provide enough information to allow your doctor to treat you with medication and avoid surgery. An intravenous pyelogram may be done for many reasons, including the following:
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To detect kidney tumors
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To identify blockages or obstructions of the normal flow of urine
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To detect kidney or bladder stones
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To establish if the prostate gland is enlarged
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To detect injuries to the urinary tract