A cyst is a small pocket of tissue often filled with fluid or pus. It can occur due to an injury, infection, or other issues. They’re usually benign but may need treatment for complications. A cyst is ...

What Is a Ganglion Cyst? A ganglion cyst is a small sac of fluid that forms over a joint or tendon (tissue that connects muscle to bone). Inside the cyst is a thick, sticky, clear, colorless, ...

Doctors can drain a ganglion cyst with a needle and syringe. They can also surgically remove the cyst. Although surgery lowers the chance that the cyst will return, it can cause lasting pain and ...