[Anti-epidermal cytotoxic reactions in the effector stage of lichen ruber planus].


Immunohistochemical investigations on skin lesions of lichen ruber planus indicate HLA-DR-expression by keratinocytes, Langerhans cells (LC), and infiltrated mononuclear cells. In the early stage of this condition, the lymphocytic infiltrate consists of a considerable part of (CD8+) cytotoxic/suppressor- and (LGL+) natural killer cells. Evidently, the… (More)


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