A man with diabetes has a hot, swollen, painless foot with intact pulses and a history of neuropathy. What is the most likely diagnosis?
Answer and explanation
Correct answer: A. Acute Charcot neuroarthropathy
- Step 1: Neuropathy removes protective pain sensation, allowing repeated unrecognised joint injury. Step 2. Acute Charcot foot gives a warm, swollen, often painless foot, treated by immobilisation in a total contact cast and urgent specialist referral. Answer: Acute Charcot neuroarthropathy. Why not the others: Gout is painful with erythema at the big toe joint. DVT presents with calf swelling and tenderness. Plantar fasciitis causes heel pain on first steps.
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