👉 Nephrectomy is a surgical procedure performed to remove kidney stones. It's also known as nephrostomy, which means it's done to remove the stone from the kidney. This can be done through a small incision in the abdomen or a smaller incision in the pelvis and then using special tools called stents to move the stone out of the kidney. Nephrectomies are often needed for people who have kidney stones that are too big or causing pain, but they're