(A) Irregular acanthosis, spongiosis, and superficial perivascular inflammatory infiltrate.
(B) Spongiosis is accompanied by exocytosis of inflammatory cells.
Reproduced with permission from: Wu H, Brandling-Bennett HA, Harrist TJ. Noninfectious vesiculobullous and vesiculopustular diseases. In: Lever's Histopathology of the Skin, 10th ed, Elder DE, Elenitsas R, Johnson B Jr, et al (Eds), Lippincott Williams & Wilkins, Philadelphia 2009. Copyright © 2009 Lippincott Williams & Wilkins.
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