A pruritic rash and rippled plaques on a woman's shin

A 52-year-old Hispanic woman presents with a 3-year history of a very pruritic rash over her shins bilaterally. On examination, both shins are covered in hyperpigmented papules that have coalesced to form thin, rippled plaques. The patient is very concerned about the appearance of her legs and the intense pruritus in the areas of the rash. The patient has no ...