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 ...

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 ...

If an ovarian cyst is left untreated, it will usually resolve on its own. However, a solid or partially solid cyst may need to be evaluated by a lab to make sure it isn’t cancerous. While most ovarian ...

A dermoid cyst is a sac of cells containing tissues that are usually present on the skin’s surface. They form during fetal development and grow slowly, so a person may not notice them until late ...

A pineal cyst is a benign fluid-filled sac that occurs in the brain’s pineal gland. Although they usually don’t cause symptoms, some people may experience vague symptoms, like a headache. Pineal cysts ...