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ANSWER
The correct diagnosis is neuropathic (or Charcot’s) foot secondary to diabetes mellitus. In this case, the disease manifests as divergent Lisfranc dislocations of the midfoot, extensive periosteal proliferation appearing as areas of increased density, fragmentation of the bone, and fractures of the second, third, and fourth metacarpal necks. Osteosclerosis, fragmentation, subluxation, and dislocation are all classic findings of neuropathic foot.
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