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Voiding Cystourethrogram

Test Overview

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A voiding cystourethrogram (say "sis-toh-you-REE-throh-gram") is a test that is done to see if there are problems with the urinary system and to see how urine flows out of the bladder. This test, also called a VCUG, uses contrast fluid and X-rays so the doctor can see how the bladder fills and drains.

A VCUG can show if urine from the bladder is flowing back up toward the kidneys. This is called vesicoureteral reflux, or VUR.

For this test, a thin, flexible plastic tube called a catheter is placed through the urethra into the bladder. A contrast liquid flows through the catheter to fill the bladder. X-rays are taken while the bladder fills and then empties. The catheter slips out or is removed once the bladder is empty.

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Current as of: July 31, 2024

Author: Ignite Healthwise, LLC Staff

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PeaceHealth endeavors to provide comprehensive health care information, however some topics in this database describe services and procedures not offered by our providers or within our facilities because they do not comply with, nor are they condoned by, the ethics policies of our organization.