Fig. 3From: Exophthalmos in a young woman with no Graves’ disease – a case report of IgG4-related orbitopathyHistology of the lacrimal gland. a: Haematoxylin and Eosin staining. There is lymphoplasmacytic infiltration dominantly in the middle of the picture (arrow). b: CD138 immunostaining. Plasma cells are brown (arrow). c: IgG4 immunostaining. IgG4-positive plasma cells brown (arrow)Back to article page