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skos:definition |
MEDLINEPLUS: <p> A cyst is a fluid-filled sac. There are two types of kidney cysts. </p><p>Polycystic kidney disease (PKD) runs in families. In PKD, the cysts take the place of the normal tissue. They enlarge the kidneys and make them work poorly, leading to kidney failure. When PKD causes kidneys to fail - which usually happens after many years - people need <a href='http://www.nlm.nih.gov/medlineplus/dialysis.html'>dialysis</a> or <a href='http://www.nlm.nih.gov/medlineplus/kidneytransplantation.html'>kidney transplantation</a>. About half of people with the most common type of PKD end up with <a href='http://www.nlm.nih.gov/medlineplus/kidneyfailure.html'>kidney failure</a>. PKD also causes cysts in other parts of the body, such as the liver. </p><p>Symptoms of PKD include</p><ul><li>Pain in the back and lower sides</li><li>Headaches</li><li>Urinary tract infections</li><li>Blood in the urine</li></ul><p>Doctors diagnose PKD with imaging tests and family history. Treatments include medications, and, when p
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