A cyst is a sac of tissue containing fluid or air that can form in many areas of the body. Cysts often do not need to be removed unless they are causing pain or other problems. There are several ...

Surgical removal of an ovarian cyst may be necessary if a cyst is large, grows, or appears unusual in ultrasounds. Depending on the size and location, your surgeon may remove the cyst or an ovary.

Hepatic cysts or liver cysts are filled with fluid, and they are present on the liver.

While sebaceous cysts usually pose no danger to your overall health, Medicare may consider their removal medically necessary if you meet certain criteria. This criteria includes whether the skin ...