Tests and Procedures

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If your child will be having the following tests done, it may be helpful for you and/or your child to know what to expect:

VCUG (voiding cysto urethrogram): This is a bladder test that is done by placing a small tube in the bladder through the urethra. The bladder is filled with an X-ray dye.

Conditions diagnosed by a VCUG include:


Radionuclide cystogram: The test is done in a similar manner to the VCUG, but is only used to diagnose vesicoureteral reflux.



Ultrasound: This is a non-invasive test that allows visualization of the bladder and kidneys.

  • Sound waves are sent through the patient's body and the results give 2D images of the urinary tract.

  • This test takes about 20 minutes.


DMSA Scan: This is a test that is used to determine kidney function.

  • A special tracer is injected by intravenous and when injected will light up the kidney.

  • The results of this test show areas of kidney infection or kidney damage. This test takes about one hour.


MAG 3 Renal Scan: This is a similar test to a DMSA scan, except it also allows us to determine if there is any blockage.

  • The tracer is put into the urine and can be followed as it goes down into the bladder.

  • In patients who have any blockage or obstruction in the urinary tract, the test shows that the tracer does not drain. This test can take up to an hour and a half.

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