Procedures for Kidney Stones

Surgery for kidney stones is usually needed when stones are unlikely to pass on their own, typically when they are 5mm or larger. Stones can be located in the ureter (the tube connecting the kidney to the bladder) or in the kidney itself, and the type of procedure depends on the size and location of the stone.

1. Ureteroscopy (URS)

  • Used for stones in the ureter or smaller stones in the kidney (less than 1.5cm).

  • A thin telescope is inserted through the urethra and bladder to reach and remove or break up the stone.

2. Extracorporeal Shock Wave Lithotripsy (ESWL)

  • Ideal for smaller stones (around 1cm or less) in the kidney or upper ureter.

  • Uses focused shock waves from outside the body to break the stone into smaller fragments that can pass naturally.

3. Percutaneous Nephrolithotomy (PCNL)

  • Recommended for larger kidney stones (2cm or greater).

  • Involves a small incision in the back to access and remove the stone directly from the kidney.

4. Robotic Surgery

  • Not commonly required for most kidney stones.

  • May be used for stones 2cm or larger in the ureter or for stones in the kidney’s renal pelvis when a pelvi-ureteric junction obstruction is present and a robotic repair (pyeloplasty) is performed at the same time.

Any urgent referral will be reviewed within 24 hours.