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 ...

Villarreal striker Nilmar will undergo surgery to remove a cyst from his right knee. The Spanish club announced that the Brazil international will have the surgery on Tuesday in Barcelona without ...

Dear Dr. Gott: Four months ago, I injured my arthritic knee while getting into a car. I thought I had twisted it or strained a ligament because it hurt so much at the time. I was told I needed to go ...