Testing & Diagnosis for Multicystic Dysplastic Kidney in Children

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Tests

How is multicystic dysplastic kidney diagnosed?

A multicystic dysplastic kidney is diagnosed with a radiologic evaluation. This evaluation may include a postnatal (after birth) ultrasound along with:

  • voiding cystourethrogram (VCUG) - a specific x-ray that examines the urinary tract. A catheter (hollow tube) is placed in your child's urethra (tube that drains urine from her bladder to the outside of her body) and the bladder is filled with a liquid dye. X-ray images will be taken as her bladder fills and empties. The images will show if there is any reverse flow of urine into the ureters and kidneys.
  • intravenous polygram (IVP) - another special x-ray of the kidneys, ureters and bladder helps the doctor to see the organs and shows how well the kidneys drain urine
  • renal ultrasound (RUS)- a non-invasive test in which a transducer is passed over your child's kidney produces sound waves that bounce off the kidney and transmits a picture of the organ on a video screen

Your child's pediatric urologist determines which of the tests above are most appropriate.

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