A cyst is a sac or cavity that may be filled with pus, semi-solid material, or air. It doesn’t usually cause pain until it gets large. An abscess is a painful, red infection that’s filled with pus. A ...

An abscessed tooth can cause throbbing pain. But treatment may reduce your symptoms in a few days. Not treating an abscessed tooth can lead to potentially severe complications. An abscessed tooth is a ...

Q: What causes an abscessed tooth? A: In the center of each tooth is a small chamber called a pulp chamber. It's filled with a soft tissue made up of blood vessels and nerves that is called the pulp.

A woman who went to hospital after gaining weight was found to have a massive 20-pound cyst inside her ovaries. The cyst, which was removed by doctors and turned out to be cancerous, measured around 9 ...

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, ...

A dermoid cyst is a saclike growth that is present at birth. It contains structures such as hair, fluid, teeth, or skin glands that can be found on or in the skin. Dermoid cysts grow slowly and are ...

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 ...