Dermatopathology Review: Case #22

Test yourself with this gold-standard dermatopathology case, curated by leading specialists with decades of experience (including our own Rajendra Singh MD). Check the history, scrutinize the interactive WSI with our viewer, and make your diagnosis. Can you get it? Good luck!

Case #22: History

From our Dermpath 100 Collection

A 48-year-old woman with a history of type I diabetes mellitus presents with a slowly enlarging lesion on her shin. On examination, there is a well-demarcated, oval plaque with central yellow-brown atrophy and telangiectasias, surrounded by an erythematous border, located on the anterior tibial surface. There is no ulceration. What is your diagnosis?

Lichen Simplex Chronicus

Sarcoidosis

Necrobiosis Lipoidica

Granuloma Annulare

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