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During trapeziectomy, [30] the trapezium bone is removed without any further surgical adjustments. The trapezium bone is removed through an approximately three centimeter long incision along the lateral side of the thumb. To preserve surrounding structures, the trapezium bone is removed "by splitting" it into pieces.
Cameron was identified at the age of 66 years when she underwent trapeziectomy surgery for severe hand osteoarthritis. [3] [4] [5] This condition had led to deformity of her thumbs such that she could not hold a pen properly, although Cameron reported experiencing no pain from it.
The carpometacarpal (CMC) joints are five joints in the wrist that articulate the distal row of carpal bones and the proximal bases of the five metacarpal bones.. The CMC joint of the thumb or the first CMC joint, also known as the trapeziometacarpal (TMC) joint, differs significantly from the other four CMC joints and is therefore described separately.