What Is Kidney Cyst Treatment. A kidney cyst is a fluid filled sac that grows in your kidneys which are the bean shaped organs that filter wastes out of your bloodstream to produce urine. A simple kidney cyst is usually harmless and non benign.

It can reach a few millimeters in size and may gradually be separated from the tubules in the kidney supporting the previously direct connection. 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.
Rarely they may cause pain bleeding or other symptoms.
A kidney cyst refers to the sac like growth on the kidneys that get filled with fluid and hard material. It can reach a few millimeters in size and may gradually be separated from the tubules in the kidney supporting the previously direct connection. You might have a single cyst on one. Usually you won t know you have them and you won t need treatment.