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 ...

Medically reviewed by Susan Bard, MD Boils are painful, pus-filled, and are caused by infections like Staphylococcus ...

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 ...

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.

Arachnoid cysts are the most common type of brain cyst. They're not tumors, but cysts filled with cerebrospinal fluid (a clear liquid that surrounds your brain and spinal cord). Most people who have ...

A few types of cysts can develop along your bikini line. While cysts may go away on their own, talk with a healthcare professional if they cause discomfort or grow in size. Share on Pinterest Sol ...

A pilar cyst, sometimes called a trichilemmal cyst, forms when a hair follicle gets clogged. They can happen anywhere on your body but are most common on the scalp. Pilar cysts can be irritating but ...