Kidney Stone Size That Needs Surgery. News and world report. You might have a procedure or surgery to take out kidney stones if the stone is very large and can t pass on its own you re in a lot of pain the stone blocks the flow of urine out of your kidney.
But larger stones may need to be removed surgically. About 10 to 20 of kidney stones need to be surgically removed. Shock wave lithotripsy eswl.
The procedure requires either light sedation or anesthesia and usually lasts between 45 minutes and an hour.
Learn about the surgery options for kidney stone removal at u s. In most cases stones that have a high probability of getting stuck anywhere in the urinary tract require surgical treatment for removal. A small stone of size 6 mm or less which is in the urinary tube ureter not causing much of swelling of the kidney can be managed medically. Kidney stone surgery is done to remove stone s that are causing problems.