Benign Lesions in Mucosa Adjacent to Intestinal-Type Sinonasal Adenocarcinoma
Figure 2
Microphotographs of intestinal metaplasia, both in the surface epithelium and in the seromucous glands. (a) H&E staining. (b) Immunohistochemical staining of CK20, original magnification 200x (a and b).
