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Why Liz Needed a Kidney

This is Why

Ball up your fist. That is the size of your normal kidney. Compare it to the size of the kidneys in the picture below. Theses were Liz' kidneys. Your kidney cleans your bloodstream 10 times better than the damaged kidneys that Liz had.

Here is Another Reason Why

About PKD

According to the American Kidney Foundation, polycystic kidney disease (PKD) is the most common life threatening genetic disorder caused by a single gene. It is characterized by fluid-filled cysts that form in the kidneys and eventually leads to kidney failure in the majority of patients. Polycystic kidney disease is the fourth most common cause of kidney failure. 
In patients with PKD, hundreds to thousands of cysts can develop that range from the size of a pinhead to as large as a grapefruit (10-20 cm.) in diameter. Each kidney may expand to as large as a football and may weigh up to 38 pounds. The continual enlargement of cysts crowds out healthy kidney tissue. The kidneys may quadruple in size before kidney function is affected at which point renal function rapidly declines.

In addition, normal tissue can be actively destroyed and fibrous tissue can form resulting in a condition called interstitial fibrosis. The combination of cysts and progressive interstitial fibrosis is thought to accelerate chronic renal failure, resulting in the kidney's loss of ability to cleanse the blood.