PMC5518488_01
Injury radiographs demonstrating the subtalar dislocation.
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Radiographs of the ankle identified a lateral subtalar dislocation with lateral displacement of the midfoot and hindfoot suggesting a subtalar dislocation (Figures 1(a) and 1(b)).
Postreduction radiographs demonstrating congruent reduction of the subtalar joint.
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Postreduction radiographs demonstrated a well-reduced subtalar joint (Figures 2(a) and 2(b)).
CT scan demonstrating dislocation of fourth and fifth tarsometatarsal joints.
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A comminuted intra-articular fracture of the base of the 4th metatarsal was found with dorsal dislocation of the fourth and fifth tarsometatarsal joints (Figures 3(a) and 3(c)).
Intraoperative stress radiographs demonstrating intact first to third tarsometatarsal joints.
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Subtle instability was also demonstrated in the talonavicular joint, which was subsequently stabilized with two K-wires (Figure 4).
Postoperative radiographs demonstrating stabilization of the fourth and fifth tarsometatarsal joints and talonavicular joints with pins.
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Postoperatively the patient was placed into a well-padded short leg cast and made non-weight bearing (Figures 5(a)-5(c)).
Final radiographs demonstrating development of talonavicular arthritis.
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Radiographs obtained at one-year, however, demonstrated radiographic signs of posttraumatic arthritis at the midfoot (Figures 6(a)-6(c)).