MEDIMAGE / SCIENCE PHOTO LIBRARY MEDIMAGE / SCIENCE PHOTO LIBRARY
Polycystic kidney. Cross-section through a polycystic kidney. The majority of the inner tissues of the kidney (the cortex and medulla) have been replaced by cysts (dark brown). Polycystic kidney disease is one of the most common causes of chronic kidney failure in adults. It is an inherited condition that may occur at any age. Treatment is of the kidney failure, either with dialysis or transplantation.
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