Polycystic kidney is a type of kidney damage, due to the appearance of fluid-filled cysts in the kidney parenchyma. These cysts are benign in nature but they cause damage to the kidneys.

Polycystic kidney disease is a genetic disease that can lead to end-stage renal failure, which is life-threatening. Understanding the genetics of polycystic kidney disease as well as the symptoms and prevention of the disease is extremely important.