Definition: Autonephrectomy, also known as nephrostomy or nephrectomy, is a surgical procedure that involves removing part of the kidney. This operation is used to treat conditions such as uremia (bleeding from the kidneys), which can cause high blood pressure and organ damage. The surgery typically requires general anesthesia, with the patient being placed under sedation. The surgeon removes the damaged kidney, usually by using a small incision or excision of the kidney's surface tissue. This operation