Overview
... If you''ve ever passed a kidney stone, you''re not likely to forget the experience — it can be excruciatingly painful. What''s more, kidney stones (renal lithiasis) are increasingly common. One ...

Kidney Stones
... What is a kidney stone? A kidney stone (or "urinary stone") develops when crystals from salt and mineral substances supersaturate the urine. These crystals can combine and grow in size to fo...

Kidney Stone Treatment
... What is a kidney stone? A kidney stone, or "urinary stone," develops when crystals from salt and mineral substances form in the urine. These crystals can combine and grow to form a stone. Th...

Kidney Diseases Dictionary Index
... This dictionary defines words that are often used when people talk or write about kidney diseases. It is designed for people who have kidney diseases and their families and friends. The words are list...

Your Urinary System and How It Works
... The organs, tubes, muscles, and nerves that work together to create, store, and carry urine are the urinary system. The urinary system includes two kidneys, two ureters, the bladder, two sphincter mus...

Cystoscopy and Ureteroscopy
... When you have a urinary problem, your doctor may use a cystoscope to see inside your bladder and urethra. The urethra is the tube that carries urine from the bladder to the outside of the body. The cy...

Hematuria (Blood in the Urine)
... Hematuria is the presence of red blood cells (RBCs) in the urine. In microscopic hematuria, the urine appears normal to the naked eye, but examination under a microscope shows a high number of RBCs. G...

Urologic Diseases Dictionary Index
... This dictionary defines words that are often used when people talk or write about urologic diseases. It is designed for people who have urologic diseases and their families and friends. The words are ...

Directory of Kidney and Urologic Diseases Organizations
... This directory lists voluntary, governmental, and private organizations. Some of the organizations offer educational materials and other services to patients and the public; others primarily serve hea...

Kidney and Urologic Diseases Statistics for the United States
... K/DOQI Clinical Practice Guidelines for Chronic Kidney Disease: Evaluation, Classification, and Stratification. American Journal of Kidney Disease. 2002;39(2, Suppl. 1):S1-S266. Summary of notifiable ...

Your Kidneys and How They Work
... Your two kidneys are vital organs that perform many functions to keep your blood clean and chemically balanced. Understanding how your kidneys work can help you to keep them healthy. The kidneys remov...

Kidney Stones in Adults
... Kidney stones, one of the most painful of the urologic disorders, are not a product of modern life. Scientists have found evidence of kidney stones in a 7,000-year-old Egyptian mummy. Unfortunately, k...

What I need to know about Kidney Stones
... Pain in the shaded areas may be caused by kidney stones. If you have a kidney stone, you may already know how painful it can be. Most kidney stones pass out of the body without help from a doctor. But...

Medical Tests of Kidney Function
... On this page: Healthy kidneys remove wastes and excess fluid from the blood. Blood tests show whether the kidneys are failing to remove wastes. Urine tests can show how quickly body wastes are being r...