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 ...

Medicare covers sebaceous cyst removal when medically necessary. This includes cases where the cyst causes bleeding or pain, shows signs of inflammation or infection, or has recently gotten larger.

Tennis legend Serena Williams says she recently underwent surgery to remove a branchial cyst “the size of a grapefruit” from her neck. Williams said she found the lump back in May and initially opted ...