Carpometacarpal (CMC) joint arthroplasty is a surgery used to treat thumb arthritis when other treatments fail. The procedure involves removing the trapezium, a small wrist bone that supports the ...

If you have burning pain in a thumb joint, you could be experiencing a gout attack, also called a flare or flare-up. Gout in the thumb is rare, but it can affect the carpometacarpal (CMC ...