funDERMentals

The Patient Who Didn’t Complain Enough?

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A 70-year-old woman presents to dermatology with asymptomatic lesions on her legs that, she reports, have been there for decades but are now becoming larger and more unsightly. She’s tried several courses of antifungal creams and pills with no success.

In all this time, she hasn’t seen a dermatology provider, because “no one ever felt the need” to refer her since her diagnosis was so “obvious.” When the changes began, however, her children finally convinced her to consult a specialist.

Her medical history is otherwise unremarkable, with no problems directly related to her skin issues. She denies both personal and family history of diabetes.

EXAMINATION
There are numerous impressive, reddish brown, annular plaques with slightly raised borders and clearing centers on the patient’s legs. There are also a few on her arms and one or two on her trunk. There is no epidermal component (scale or other surface disruption) on any of the lesions, which range in size from 2 cm to 15 cm.

What is the diagnosis?

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