A 61-year-old man presents with a 4-month history of progressive foot pain that causes difficulty walking. On examination, a firm and tender protuberance is noted at the first metatarsophalangeal (MTP) joint and dorsiflexion is limited. A few weeks later, as he is undergoing joint surgery, the surgeon notices discoloration of the bone. What comorbidity does this patient most likely have? Take the quiz, learn more about this case, and join the conversation on Figure 1.
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Learn more about this case, and join the conversation on Figure 1.