Fig. 2From: Cystoid macular oedema associated with Rosai–Dorfman disease: a case report a Histopathological examination showing polymorphic plasma cell infiltration with lymphocytes, histiocytes, plasmocytes, and a few phagocytes (haematoxylin and eosin staining, 10×). b Large histiocytes exhibiting characteristic emperipolesis (haematoxylin and eosin staining, 40×)Back to article page