These cysts usually develop on the wrist, but they can appear on the hand, ankle, foot, or knee. They look like small lumps under the skin. Ganglion cysts are not cancerous and are usually harmless.

Anyone can access the link you share with no account required. Learn more. DEAR DR. ROACH: I had a ganglion cyst removed in 2018. I had no pain before it was removed, nor since — until now.