Figure 4From: The utility of cytokeratins 7 and 20 (CK7/20) immunohistochemistry in the distinction of short-segment Barrett esophagus from gastric intestinal metaplasia: Is it reliable? a. Absent CK7 immunostaining in BE, ×100, b. Patchy CK20 immunostaining of superficial and deep glands in BE, ×100Back to article page