1405
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Chronic lichenified eczema
Arm
Haematoxylin & Eosin (H&E)
55 years
female
55 year old woman with papules, plaques, blebs and erosions of the forearms.
Chronic spongiotic psoriasiform dermatitis: Hyperortho- and parakeratosis with broad rete ridges. Spongiosis of the epidermis. Langerhans cell microgranulomas (pseudo-Pautrier abscesses) in the epidermis. Superficial chronic lymphohistiocytic perivascular inflammatory infiltrate with scattered eosinophilic granulocytes. Vertically oriented thickened collagen fibers in the papillary dermis.
Pathologe 2002 · 23:20–37 © Springer-Verlag 2002
Pathologe 2002 · 23:9–19 © Springer-Verlag 2002
Bettina, Huber, University of Basel
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