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Images 10.77.1A: Perivascular dermatitis, spongiotic + 10.77.1B: Neutrophils in widened spaces between spinous cells = Pemphigus vulgaris, urticarial  In most lesions of pemphigus vulgaris, acantholytic cells come into being in the absence of any inflammatory cells in the epidermis. An exception is the urticarial manifestation of the disease; spongiosis in that circumstance is accompanied by […]