In this second part of the review of multicentric reticulohistiocytosis, the authors discuss its association with other diseases, in particular, cancer, and laboratory and therapeutic aspects of this incapacitating and disfiguring disease. Histopathologic aspects are characteristic: dense mononuclear infiltrate with typical multinucleated cells that contain periodic acid-Schiff-positive and diastasis-resistant material, conferring a "ground glass" aspect when stained with hematoxylineosin.
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