An isolated pure dislocation of fifth Carpometacarpal joint
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Isolated pure dislocation of the fifth carpometacarpal (CMC) joint is a very rare injury and classified depending on the displacement of the metacarpal base. This rare injury is often difficult to recognize and is liable to be overlooked. The purpose of this case report is to present a patient with an isolated dislocation of the fifth CMC joint that was satisfactorily treated with closed reduction and ulnar gutter pop slab. A 21-year-old male presented with severe pain on the right carpus following a fall with injury to the right hand. There was a mild swelling at fifth CMC joint region and a bony prominence was felt dorsally, little finger presented an abduction deformity and there was an apparent shortening of the fifth ray. A diagnosis of isolated dislocation of fifth CMC dislocation was made based on radiographs. The immediate closed reduction was done in an emergency room by applying longitudinal traction and direct pressure on metacarpal base dorsally, the reduction was stable and confirmed by postreduction radiographs.

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