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 ...

‌Lumps that appear on the wrist are usually noncancerous. Most often, they are ganglion cysts. These fluid-filled sacs are not a threat to health. Doctors can remove them if they become painful or ...