Dislocation and fracture-dislocation of Carpometacarpal (CM) joints except for the thumb are relatively rare. In particular, volar dislocation of CM joints are very rare.
We experienced one case of volar fracture-dislocation of the 2nd CM joint, and dislocation of the 3rd, 4th, 5th CM joints.
A 25 year-old woman was involved in a motorcycle accident, sustaining an injury to her right hand.
On examination she had a swollen left hand, and she complained of pain in her left hand.
The XP findings showed volar fracture-dislocation of the 2nd CM joint, and volar dislocation of the 3rd, 4th, 5th CM joints.
Closed reduction was performed, but instability of the 2nd CM joint remained.
We therefore performed percutanous fixation, which was removed 8 weeks after the operation.
Twenty weeks post-operatively the patient has no problems with her left hand.
