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Images 10.24.1A: Nodular and diffuse dermatitis, granulomatous + 10.24.1B: Lymphocytes and plasma cells in a collection of histiocytes that exhibit abundant pale cytoplasm = Destombes-Rosai-Dorfman disease Histiocytes with large round nuclei and abundant pale amphophilic cytoplasm in conjunction with scattered lymphocytes and plasma cells, the infiltrate forming nodules, are requisite for the diagnosis. This is […]