DEAR DR. ROACH: I have a marble-sized ganglion cyst on the top/side of my foot, right in front of my ankle bone. It’s not painful in and of itself, but if I put pressure on it, like sitting on the ...

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 ...

Dear Dr. Douma: Over the past eight months, I have suffered from almost complete numbness in my right foot. On occasion, the problem goes slightly above my knee. I have seen four different medical ...