1 MCQs in Dermatology for NEET PG
A 42-year-old woman presents to dermatology with a 2-year history of progressive brown-black, velvety thickening of the skin on her neck and axillae. On examination, the lesions are symmetric, with accentuated skin markings and multiple skin tags. The structure marked **D** in the diagram shows bilateral hyperpigmented plaques on the posterior neck. Which of the following best explains the pathophysiologic mechanism underlying the cutaneous manifestations at this site?
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