Figure 3From: Soft tissue perineurioma of the tongue: report of a case and review of the literatureImmunohistochemical results. (A) Tumor cells stained positive for epithelial membrane antigen (original magnification × 200), and (B) complete negativity for S-100 (original magnification × 200). There was negative expression of (C) CD34 and (D) smooth muscle actin in all tumor cells (positive in reactive vessels) (original magnification × 200).Back to article page