If they cause pain or difficulty moving the joint, a doctor may remove them. These cysts usually develop on the wrist, but they can appear on the hand, ankle, foot, or knee. They look like small ...

It's a fluid-filled sac that forms in one or both of the bones that make up a joint. They're especially common at the knee or hip. The cysts show up just under the tough spongy tissue (called ...

Baker’s cysts, also known as popliteal cysts ... of the knee (called the baker’s cyst) – this is behind the knee joint Anyone can get a Baker’s cyst, but they are more likely to form ...