Benign Lesions in Mucosa Adjacent to Intestinal-Type Sinonasal Adenocarcinoma
Figure 4
Immunohistochemical analysis of p53 expression. (a) Moderate, diffuse staining in basal and suprabasal cells in squamous metaplasia; (b) weak, focal staining in mild dysplasia; (c) strong staining in a mucinous type ITAC, with weak/moderate staining in adjacent immature metaplasia and seromucous glands; (d) details of (c). H&E staining, original magnification 200x (a, b, and d) and 100x (c).
