Ureteropelvic Junction Obstruction

Also known as: UPJ obstruction.

What is ureteropelvic junction obstruction?

The ureters connect the kidneys to the bladder and allow urine to pass through. When a blockage occurs where the kidney attaches to the ureter and prevents the flow of urine from the kidneys, this is known as ureteropelvic junction obstruction.

 

What causes ureteropelvic junction obstruction?

Ureteropelvic junction obstruction frequently occurs as a birth defect. The exact cause is unknown. In some instances, an abnormal blood vessel, scarring, infections or other problems can lead to the development of ureteropelvic junction obstruction.

 

What are the symptoms of ureteropelvic junction obstruction?

Abdominal pain, infection, a lump in the abdomen, vomiting, failure to thrive, blood urine or a urinary tract infection are all potential symptoms of ureteropelvic junction obstruction. Often times patients are asymptomatic and the diagnosis is made when an abdominal ultrasound is performed for other causes. Very frequently, this condition is diagnosed before birth on a prenatal ultrasound.
 

What are ureteropelvic junction obstruction care options?

Surgery to remove the blockage is the common treatment for ureteropelvic junction obstruction. At Nicklaus Children’s Hospital it is often performed robotically, with minimally invasive techniques.


Reviewed by: Rafael Gosalbez, MD

This page was last updated on: 4/28/2018 6:04:05 PM

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