Dislocated first carpometacarpal joint

Case contributed by Craig Hacking
Diagnosis certain

Presentation

Fall off mountain bike at speed.

Patient Data

Age: 40 years
Gender: Male

First carpometacarpal joint dislocation in the radial direction. No fracture identified.

Case Discussion

Due to the obliquity of the CMC joints, often only one projection will adequately demonstrate malalignment.

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