Final answer:
A percutaneous nephrolithotomy is a surgical procedure used to remove kidney stones. It involves making a small incision in the back and using various instruments to access and remove the stones.
Step-by-step explanation:
A percutaneous nephrolithotomy is a surgical procedure used to remove kidney stones. It involves making a small incision in the back and using various instruments to access and remove the stones. While a nephroscope, Amplatz dilators, and a trocar are all commonly used in a percutaneous nephrolithotomy, a ureteroscope is not typically used in this procedure. A ureteroscope is a thin tube-like instrument used to visualize and treat conditions in the ureter, while a percutaneous nephrolithotomy focuses on the kidney.