Anatomy. The trapezium bone is a small oblong bone that plays a role in the stability of the carpal tunnel and the thumb joint. Its shape and size, as well as its location below the thumb, cause ...

Or, the cartilage pad between the wrist joint (trapezium) and the joint at the base of the thumb (first carpometacarpal) can wear out. This can cause stiffness, pain, ...

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 ...

First CMC osteoarthritis is a common degenerative condition affecting the base of the thumb, often resulting in significant ...

A carpal tunnel view, obtained by any of three methods, should be requested if there is a strong suspicion of ventral carpal bone fractures, particularly to the trapezium, hook of the hamate, and ...