Figure 4From: Oral benign fibrous histiocytoma: two case reports(A) Strong immunohistochemical expression of CD68 in neoplastic cells in Case 1 (ABC, original magnification ×20). (B) Immunohistochemical expression of Factor XIIIa in Case 1: only vessels are positive (ABC, original magnification ×40). (C) Strong immunohistochemical expression of Vimentin in neoplastic cells in Case 2 (ABC, original magnification ×20). (D) Immunohistochemical expression of CD34 in Case 2: only vessels are positive (ABC, original magnification ×20)Back to article page