ULNAR DISLOCATION OF THE TRAPEZIOMETACARPAL JOINT - A CASE-REPORT

An ulnar dislocation of the trapeziometacarpal joint is reported, On t he posteroanterior radiograph of the wrist, the boney alignment appear ed normal, and the only sign indicating a dislocation was a slight wid ening of the joint. By contrast, a true posteroanterior view of the tr apezium clearly demonstrated the metacarpal ulnarly displaced. A late tendon reconstruction of the damaged palmar and medial ligaments produ ced a satisfactory result. (I Hand Surg 1998;23A:612-616. Copyright. ( C) 1998 by the American Society for Surgery of the Hand.)