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 ...

This week we are going to discuss two conditions of the thumb: CMC joint arthritis and DeQuervain’s tenosynovitis. CMC joint arthritis of the thumb is a dysfunction and arthritic degeneration of ...

The base of the thumb—called the carpometacarpal joint, or CMC—is a common site for arthritis. Osteoarthritis (OA) can develop in the thumb. This condition gradually occurs from joint wear and ...