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. 2001 Dec;49(6):761–766. doi: 10.1136/gut.49.6.761

Figure 2  .

Figure 2  

Gastric cytokeratin 7 and 20 (CK7/CK20) pattern in a biopsy specimen from the Z line with complete intestinal metaplasia. (A) Absent CK7 staining of superficial epithelium (arrow) and deep glands (arrowheads). Immunoperoxidase with nuclear counterstain by Mayer's haematoxylin (original magnification ×200). (B) Strong diffuse CK20 immunostaining of both superficial epithelium (arrow) and deep glands (arrowheads). Immunoperoxidase with nuclear counterstain by Mayer's haematoxylin (original magnification ×200).