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Kidney dysplasia is a condition that occurs when structures within the kidney do not develop normally. This kidney disorder occurs during the development of the baby in the womb.

The condition is also known as renal dysplasia or multicystic dysplastic kidney (MCDK).

Kidney dysplasia usually affects one kidney. And many infants survive and grow normally with one working kidney. Infants with kidney dysplasia affecting both kidneys may not survive outside the womb. Those who do survive birth will eventually need early dialysis or kidney transplantation.

Use of certain prescription and illegal drugs by the pregnant mother, as well as genetic factors may cause kidney dysplasia to develop.

Treatment of kidney dysplasia depends on whether one or both kidneys are affected. If only one kidney is affected and no symptoms develop, treatment may not be necessary. However, children and adults with one working kidney should have regular checkups to monitor changes in blood pressure or check for kidney damage.

Surgery to remove the abnormal kidney may be recommended only if the kidney

•causes pain
•causes high blood pressure
•shows abnormal changes on ultrasound

See Also:

• Kidney Dysplasia

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