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What is a kidney cyst?

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A simple kidney cyst is a round pouch of smooth, thin-walled tissue or a closed pocket that is usually filled with fluid. One or more may form within the kidneys. Simple cysts are the most common type of kidney cyst. They are not the same thing as polycystic kidney disease, which is a progressive disease that can lead to kidney failure. Simple kidney cysts most often do not cause harm.

From: Kidney Cyst WebMD Medical Reference

Reviewed by Minesh Khatri on September 15, 2019

Medically Reviewed on 9/15/2019

SOURCES:

Cleveland Clinic: "Simple Kidney Cysts."

National Kidney and Urologic Diseases Information Clearinghouse: "Simple Kidney Cysts."

Spectrum Health: "Kidney Cancer."

Baysal, T. Diagnostic and Interventional Radiology, 2009.

Eknoyan, G.   , Sept. 1, 2009.  Journal of the American Society of Nephrology

Terada, N. , June 2004. BJU International

Reviewed by Minesh Khatri on September 15, 2019

SOURCES:

Cleveland Clinic: "Simple Kidney Cysts."

National Kidney and Urologic Diseases Information Clearinghouse: "Simple Kidney Cysts."

Spectrum Health: "Kidney Cancer."

Baysal, T. Diagnostic and Interventional Radiology, 2009.

Eknoyan, G.   , Sept. 1, 2009.  Journal of the American Society of Nephrology

Terada, N. , June 2004. BJU International

Reviewed by Minesh Khatri on September 15, 2019

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