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 ...

CMC joint arthritis of the thumb is a dysfunction and arthritic ... would do well to visit a hand specialist in orthopedic surgery for further consultation. Evaluation of the joint with x-rays ...

The base of the thumb—called the carpometacarpal joint, or CMC—is a common site for arthritis ... occurs from a serious injury might require surgery. Severe thumb OA is treated with CMC ...