Kidney Dysplasia (cont.)

What are the signs or complications of kidney dysplasia?

The affected kidney may be enlarged at birth. Abnormalities in the urinary tract may lead to urinary tract infections. Children with kidney dysplasia may develop high blood pressure, but only rarely. Children with kidney dysplasia may have a slightly increased risk for kidney cancer. Chronic kidney disease and kidney failure may develop if the child has urinary problems that affect the normal kidney. Many children with kidney dysplasia in only one kidney have no signs or symptoms.

How is kidney dysplasia diagnosed?

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Kidney dysplasia is often found during a fetal ultrasound, also called a sonogram, during pregnancy. Fetal ultrasound uses sound waves to create images of the baby growing in the womb. However, the condition is not always detected before the baby is born. After birth, an enlarged kidney may be detected during an examination for a urinary tract infection or other medical condition.

How is kidney dysplasia treated?

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If the condition is limited to one kidney and the child has no symptoms, no treatment may be necessary. Regular checkups should include blood pressure measurements, blood tests to measure kidney function, and urine testing for protein. Usually the child is monitored with periodic ultrasounds to look at the affected kidney and to make sure the other kidney continues to grow normally and doesn't develop any other problems. Children with urinary tract infections may need to take antibiotics.

Removal of the kidney should be considered only if the kidney

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

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