Characteristic elongated mound of parakeratosis with collections of plasma above a basket-weave cornified layer, preserved granular layer, and minimal acanthosis. There is a sparse superficial perivascular lymphocytic infiltrate.
Reproduced with permission from: Mobini N, Toussaint Caire S, Hu S, Kamino H. Noninfectious erythematous, popular, and squamous diseases. In: Lever's Histopathology of the Skin, 11th ed, Elder DE, Elenitsas R, Rosenbach M, et al (Eds), Wolters Kluwer, Philadelphia 2015. Copyright © 2015 Wolters Kluwer.
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