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What Is This Rash?

What Is This Rash?

figure 1

A 49-year-old man presented with a 1-month history of a painful, spreading rash on the abdomen. Past medical history was significant for chronic hepatitis C. Physical examination revealed a large abdominal plaque with vegetative, erythematous borders and an atrophic center with cribriform scarring (Figure 1). Multiple draining sinus tracts were present at the periphery of the lesion. In the groin and gluteal cleft, erythematous nodules with draining sinus tracts were noted. Scattered inflamed papules and cysts with atrophic scarring were present on the face.  

What Is The Diagnosis?

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