A 55-year-old man complained of weeklong drainage from his right foot accompanied by a burning sensation and progressive discomfort with walking. Over time, the drainage had increased in volume and become malodorous. On examination, the plantar aspect of his toes and anterior foot were erythematous and erosive; edema, scattered vesicular pustules, and maceration were also observed. The patient’s type 2 diabetes mellitus was controlled by oral agents. He was in otherwise good health and worked as a construction-site manager. His personal and family medical history were unremarkable. 

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