Traumatic carpo-metacarpal dislocations without associated fracture are rare lesions. Untreated, these lesions can lead to joint instability and early joint degeneration. We report 2 cases of dorsal carpo-metacarpal dislocation of the fifth metacarpal in 2 male patients. The age was 28 years and 39 years. On clinical examination both patients had edema and deformity of the dorsal surface of the right hand. The X-ray showed a dorsal carpo-metacarpal dislocation, pure, complete in both patients. The dislocation was successfully treated by closed reduction maintained with two K-wires. Immobilization of the joint was applied for 6 weeks. At 10 months' follow-up evaluation, the 2 patients showed no pain and had had regained their previous level of activity.