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Most cases of renal masses do not show any symptoms, states the Washington University School of Medicine in St. Louis. Doctors usually find the masses accidentally during a diagnosis for another condition. For example, a patient experiencing abdominal pain may undergo a CT scan that happens to ident


A kidney mass is a growth that arises from inside the kidney, according to Washington University School of Medicine in St. Louis. Most kidney masses are found when a patient is undergoing evaluation for something else and receives an ultrasound or CT scan.


It is not clear what causes some types of kidney masses as of July 2015, according to Mayo Clinic. Kidney cysts are fluid-filled masses that form on or in the kidneys. Simple kidney cysts rarely cause complications, but more complex cysts can impair kidney function.


Having a mass or tumor on a kidney is often accompanied with other symptoms such as bloody urine, appetite loss, flank pain, weight loss and fatigue, states WebMD.com. It can also cause anemia and swelling in the limbs.


For many physicians, surgery is an option for a kidney mass at clinical stage 1, according to the American Urological Association. At this point, the mass is less than 7 centimeters. About 20 percent of stage 1 masses are benign.


Simple nephrectomy involves making an incision up to 12 inches and removing an entire kidney, while partial nephrectomy involves creating a smaller cut and removing only part of a kidney, explains Healthline. During laparoscopic surgery, a doctor makes several tiny cuts instead of a single long inci


A renal mass on the kidneys is a growth that arises from the kidney, according to the Division of Urology at Washington University School of Medicine. The most common renal mass is a cyst, which is a sac filled with fluid arising from the kidney. Cysts rarely cause problems.


It takes three to six weeks to recover after having a kidney removed, according to MedlinePlus. During the first week after surgery, patients typically have pain in the abdomen or near the incision. There is also bruising and redness around the wound.


If a kidney stone is too large to pass through the urinary tract, a surgeon might perform a ureteroscopy to remove the stone from the body. Although a surgeon removes the stone, ureteroscopy is considered an outpatient procedure, according to the National Kidney Foundation.


While rare, possible complications following a kidney removal include breathing trouble, allergic reactions to certain medications, heart attack, stroke and blood loss, reports Healthline. It is also possible for patients to develop an infection at the site of the incision or experience a pulmonary