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 ...

Dermatologist Sandra Lee, MD, a.k.a. Dr. Pimple Popper just tackled not one but two pilar cysts from a patient's scalp in a new YouTube video. The 7-minute clip shows the doctor working on a woman who ...