Reflux Seen on Voiding Cystourethrogram (VCUG)

A 10-year-old girl had urine infections. Her ultrasound showed two normal kidneys. This is her VCUG.

The film was taken during voiding. The bladder is full and contrast is seen to travel in retrograde fashion up both ureters (reflux). Notice that there is no nephrogram (no contrast in the renal parenchyma). This tells us that this image was obtained by putting contrast into the bladder, not by injecting contrast intravenously (intravenous pyelogram or IVP).

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© David A. Hatch, M.D., 1996