Isolated Carpometacarpal Dislocation Without Associated Fracture: A Case Report of High-Energy Wrist Trauma

Carpometacarpal (CMC) joint dislocations without fractures are rare and often missed due to subtle clinical and radiographic signs. We report a case of a 28-year-old male patient involved in a motorbike rollover who sustained open comminuted radius and ulna fractures, an ulnar styloid fracture, and dorsal dislocation of multiple CMC joints without metacarpal fractures. He presented with absent distal pulses and finger numbness, which resolved after emergency reduction. CT angiography ruled out arterial injury. He underwent internal fixation of forearm fractures and Kirschner wire stabilization of CMC joints. At four months, he achieved full wrist and finger motion, normal grip strength, and no instability. Early diagnosis and timely surgical intervention were key to recovery.