What Is A Kidney Stone :::::::

What is a Kidney Stone? Causes And Types Of Stones What Are The Symptoms Of Kidney Stones? How Are Kidney Stones Diagnosed? What Are The Treatment Options For Kidney Stones? How Can Kidney Stones Be Prevented? Types of Stones Treating Kidney Stones with the Lithotripsy Technology How the Lithotripter
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What to Expect After Lithotripsy Treatment Commonly Asked Questions Informational Video Prevention Fluids Links Lithotripter Equipment Who is a Candidate for Lithotripsy Medications
That  May Delay Treatment

Kidney stones, renal calculi and urinary stones are different names for crystalline structures which form in the urinary tract from the excretion of excess minerals in the body. Stones that form in the kidneys and urinary tract are one of the most painful disorders to afflict human beings.

More than a million Americans are hospitalized each year for the treatment of kidney and urinary tract stones. Today surgery is rarely necessary, as recent medical advances have improved understanding and increased the possibility that many cases of stone disease can be cured or controlled with noninvasive or endoscopic therapies.

The average kidney stone forms in about 90 days. As blood flows through the kidneys, impurities are filtered along with excess minerals produced by cells within the body. The collected impurities remain and eventually mix with water then leave the body as urine. Occasionally the trapped minerals build up in the kidney. A kidney stone is usually a hard mass formed by the trapped crystallized minerals that deposit on the inner surfaces of the kidney. As stones irritate the lining of the kidney, bleeding may occur in the urine.

This bleeding warrants medical attention and evaluation. A stone may be detected if visible on plain X-ray or a CT Scan may be needed.
Sometimes a stone will break off from its location in the kidney and may result in severe pain as it travels down the urinary tract toward your bladder.

What Are "Urinary" And "Bladder" Stones?

The urinary system consists of two kidneys, located below the ribs toward the middle of the back; two drainage tubes called ureters, connect the kidneys to the bladder in the lower abdomen; and the urethra, the tube through which urine flows from the bladder to outside of the body.

Kidney stones that remain in the kidney or that break loose from the lining of the kidney and move to other parts of the kidney or ureter are sometimes referred to as "upper tract stones." Sometimes smaller stones pass through the ureters and lodge in the bladder where they enlarge, or stones may originate in the bladder. In either case, these are referred to as "lower tract" stones.

When stones grow so large that they cannot be passed out of the body easily, they obstruct the normal flow of urine, causing pain and possibly infection or kidney damage. Many stones are too large to pass out of the kidney. Other stones may leave the kidney only to become lodged in the ureter , or rarely at the outlet of the bladder.




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