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What is a Voiding Cystourethrogram?

Male Urinary Tract
Male Urinary Tract
Medical Illustration Copyright © 2015 Nucleus Medical Media, All rights reserved

Female Urinary Tract
Female Urinary Tract
Medical Illustration Copyright © 2015 Nucleus Medical Media, All rights reserved

Called a VCUG or cystogram, this test shows your doctor the size of your bladder and how well it can drain.

The test is also used to pinpoint anything abnormal about the urethra and the bladder. For example, it can find a problem with the narrowing of the urethra (stricture) or help uncover VUR (vesicoureteral reflux), a condition in which urine flows back up from the bladder through the ureter and into the kidney.