Fig. 5
From: Immunohistochemical study of epiretinal membranes in patients with uveitis
Special stains characterizing the stromal background of the epiretinal membrane from case 2. a Alcian blue stain, confirming the presence of acid mucopolysaccharide, consistent with condensed vitreous (magnification, ×100). b GFAP immunostain, highlighting the retinal glial elements (magnification, ×40). c CAM5.2-red immunostain is completely negative, confirming the absence of RPE (magnification, ×100)