PMC4627101_01
Anteroposterior (A) and lateral (B) view radiographs taken at time of injury demonstrate volar thumb metacarpophalangeal joint dislocation.
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X-rays obtained showed a volar dislocation of the thumb MCP joint. (Figure 1) A digital block was performed and closed reduction was attempted by hyperflexing the thumb MCP joint with a dorsally directed force applied over the volar base of the thumb metacarpal base.
Anteroposterior (A) and lateral (B) view radiographs at two-week follow up demonstrate maintenance of reduction and congruent thumb metacarpophalangeal joint. At this time, the splint was removed and patient was allowed to begin range-of-motion activities.
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The patient was maintained in a thumb spica splint postoperatively for 2 weeks (Figure 2) after which flexion-extension exercises were begun.