Simultaneous Volar Dislocations of Carpometacarpal and Metacarpophalangeal Joints of the Thumb

INTRODUCTION: Multiple dislocations of joints in the hand are rare. Double dislocations of the thumb joints have only been reported on four previous occasions, in all cases reported to date, the joints have dislocated dorsally. CASE REPORT: We present the case of a 26-year-old male patient with simultaneous volar dislocations of the carpometacarpal and metacarpophalangeal joints of the thumb. There was delayed operative treatment of this injury with ligament reconstruction and stabilization of the metacarpophalangeal joint. CONCLUSIONS: This rare case provides a mechanism to this type of injury, highlights the importance of initial, and repeated clinical and radiographic review, highlights the soft tissue component to this injury, and demonstrates how even delayed treatment can result in a good functional outcome.