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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.


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.


Low kidney function means that a person's kidneys are not filtering blood as well as they should be. A person with low kidney function is at risk for kidney disease, according to the National Kidney Foundation.


A kidney function test provides the patient with two sets of numbers, explains the National Kidney Disease Education Program. One set of numbers come from the glomerular filtration rate GFR test that determines how well the kidneys filter blood. The other comes from the amount of albumin in the urin


Having dry kidneys means dehydration resulting in kidney conditions that impair renal function. These conditions include acute renal failure, chronic renal failure and kidney disease. Excessive protein or sugar commonly causes dehydration of the kidneys and kidney conditions, according to WebMD.


While there are several reasons for abnormal kidney function tests, one of the primary concerns is early kidney disease, according to Healthline. Upon receiving these test results, patients should speak with a doctor about the appropriate therapy for the underlying condition.