An 88-year-old man who reported he did not smoke and who had a long-standing history of diabetes mellitus

An 88-year-old man who reported he did not smoke and who had a long-standing history of diabetes mellitus,

Question

An 88-year-old man who reported he did not smoke and who had a long-standing history of diabetes mellitus, hypertension, and hypercholesterolemia was admitted to the hospital with a 4-month history of painful and progressive discoloration  of the right lower leg. . What is the diagnosis?

Ichthyosis
Ischemic gangrene
Necrobiosis lipoidica diabeticorum
Phlegmasia cerulea dolens
Pyoderma gangrenosum

 

 

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