Image Challenge! Itchy, burning lesions shaped like a V

A 52-year-old man with a history of alcohol use disorder presented to the emergency department with complaints of diarrhea, dizziness, and anorexia that developed over the preceding few weeks, along with discoloration on his neck and chest. The patient noted that the lesions were itchy and burned. On dermatological examination, a well-demarcated plaque at the V of the neck with shellac-type scales was seen.

What’s the diagnosis?

A)     Acquired acrodermatitis enteropathica

B)     Dermatomyositis

C)     Pellagra

D)     Porphyria cutanea tarda

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