A 48-year-old man presented to the dermatology clinic with a 2-month history of an itchy rash that began in the genital region and then progressed to his torso, hands, and legs. He also noted a 13-kg weight loss over the past few months. On examination, he had erythematous patches and plaques at various stages of healing.
What is the diagnosis?
A) Herpes simplex virus
B) Acrodermatitis enteropathica
C) Paraneoplastic pemphigus
D) Discoid lupus
E) Necrolytic migratory erythema
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