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15385 Surgery

A 64-year-old male noticed the development over the past 3 months of thickened, darkly pigmented skin in axillae and flexural areas of the neck and groin. These areas are neither painful nor pruritic. A punch biopsy of axillary skin reveals undulating epidermal acanthosis with hyperkeratosis and’ basal layer hyper pigmentation. Which of the following underlying diseases is he most likely to have?

AMastocytosis
BAIDS
CAcanthosis nigricans
DLangerhans cell histiocytosis
Surgery
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