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 ...

Ovarian cysts are sacs or pockets of fluid that form on the ovaries. There are two types of cysts: simple and complex. These are fluid-filled cysts that have no solid features. They are often either a ...

Dermatologist Sandra Lee, MD, a.k.a. Dr. Pimple Popper, and her pimple popping university is now in session. She's dropping some serious knowledge all while popping a giant cyst. Her latest patient's ...