Psoriasiform and spongiotic dermatitis

Chapter 8


Psoriasiform and spongiotic dermatitis




Psoriasis



The appearance of psoriasis depends on the stage of the lesion and type of lesion. Early guttate lesions demonstrate no acanthosis. Established plaques demonstrate a characteristic pattern of regular acanthosis. Pustular psoriasis may never demonstrate acanthosis. Acral and intertriginous lesions of psoriasis commonly demonstrate a background of spongiosis, but spongiosis is distinctly absent from the surrounding epidermis in most other locations. Reiter’s disease and geographic tongue histologically look like psoriasis.








Apr 26, 2016 | Posted by in Dermatology | Comments Off on Psoriasiform and spongiotic dermatitis
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