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(A) A biopsy of an erosive vesicle from the lip showed a suprabasal cleft with scattered acantholytic cells (H&E, ×20). (B, C) A biopsy of the vegetating plaque from the inguinal folds showed a hyperplastic epidermis, eosinophilic spongiosis, and intraepithelial abscesses packed with eosinophils. Eosinophils also dominated the dense inflammatory infiltrate in the papillary dermis (H&E, ×10, ×20).
