We present the case of a 71-year-old, left-handed woman with left thumb carpometacarpal (CMC) joint arthritis. The patient had no pain and could use the hand actively in daily life with a new option of surgical treatment, a vascularized pedicled third CMC joint transfer to the thumb CMC joint.
Keywords: Arthroplasty; dorsal carpal network; trapeziometacarpal osteoarthritis; vascularized pedicled 3rd carpometacarpal joint transfer.