Ureteropelvic Junction Obstruction

Ureteropelvic junction obstruction is a narrowing or blockage at the point where the kidney connects to the ureter, the tube that carries urine to the bladder. This impairs the normal drainage of urine from the kidney.

Possible symptoms: pain in the flank or back, repeated urinary tract infections, or, in some cases, an incidental finding during an imaging study without clear discomfort.

Why it matters: when urine builds up, it can create pressure on the kidney, which is why timely evaluation is important.

Which specialist treats it? The urologist is the one who studies this obstruction and defines the follow-up, while the general practitioner can provide guidance at a first visit. With recurrent flank pain or frequent urinary tract infections, seeking specialized evaluation is the most sensible decision.