Kidney Stone Operation Size. For stones that are larger or harder to reach this procedure may be recommended. There are 3 main surgical procedures for treating kidney stones depending on the size position and type of stone s.
For stones 10 to 20 mm in size additional factors such as stone composition and stone location should be considered stones larger than 20 mm are usually not successfully treated with eswl. The size of kidney stones determine the time needed for their removal from the kidneys. Open surgery is rarely done for kidney stones anymore.
For stones that are larger or harder to reach this procedure may be recommended.
About 10 to 20 of kidney stones need to be surgically removed. Smaller the size of a stone the faster it can pass through the urinary tract. Open surgery is rarely done for kidney stones anymore. It is highly unlikely that a stone of 8mm will pass on its own.