The ureterovesical junction is located where the ureter (the tube that drains urine from the kidney) meets the bladder. Ureterovesical junction (UVJ) obstruction refers to a blockage to this area.

What is a Ureterovesical junction stone?

The ureterovesical junction (UVJ) is the area where the lower end of the ureter meets the urinary bladder. Any kidney stone that is located in the ureter close to the bladder (within 1-2 cm of the bladder) is called a UVJ stone.

Where is the ureteropelvic junction located?

The ureteropelvic junction is located where the pelvis of the kidney meets the ureter (the tube that drains urine into the bladder). The term ureteropelvic junction (UPJ) obstruction describes a blockage to this area.