Polycentric reticulohistiocytosis

Multicentric reticulo-histiocytosis (multicentric reticulo-histiocytosis) is also called reticulohistiocytosis, reticulohistiocytosis, etc. Its basic features are single or multiple pimples or nodules on the skin or mucous membranes, with joint disease, and sometimes combined with systemic or local symptoms and signs. Typical tissues are infiltration of histiocytes and multinucleated giant cells.

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