Pediatric Ureterocele

Pediatric Ureterocele



A ureterocele is a blockage of urine that causes swelling at the bottom of one of a child’s ureters (tubes that carry urine from the kidney to the bladder).

Expanded overview

A ureterocele is a birth defect that affects the kidney, ureter (tube that carries urine from the kidney to the bladder) and bladder. A ureterocele blocks the normal flow of urine, which results in swelling at the bottom of one of the ureters.

This condition is more common in girls than in boys, and it is common in children who have another urologic condition called a duplex kidney (when a single kidney has two ureters).


A ureterocele develops during a baby's development in their mother's womb, when the ends of the ureter that meet the bladder don’t form properly.


In many cases, a ureterocele doesn’t cause symptoms. When it does, a child may experience one or more of the following:

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