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 ...

A ganglion cyst is a noncancerous lump filled with a jelly-like fluid. Most are harmless but can be uncomfortable, particularly on the foot. They often disappear on their own, but pain relief, a ...