PMC7350069_01
Anteroposterior and oblique radiographs of the right hand demonstrating complete dorsal dislocation of the three ulnar CMC joints.
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Plain radiographs (a dorsopalmar and an oblique view) of the right hand showed complete dorsal dislocation of the three ulnar CMC joints (Figure 1).
(a, b) CT images showing the dorsal dislocation of the fifth CMC joint and a bony fragment at the base of the fifth metacarpal that originated from the hamate (red arrows).
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The latter not only confirmed the diagnosis but also revealed a bony fragment at the base of the fifth metacarpal that originated from the hamate (Figures 2(a) and 2(b)).
Radiographs after open reduction and fixation with Kirschner wires.
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The fifth metacarpal was pinned similarly on the hamate (Figure 3).
(a-c) Radiographs 6 weeks postoperatively after the K-wires' removal.
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Both the splint and the K-wires were removed in six weeks' time (Figures 4(a)-4(c)).