Benign Lesions in Mucosa Adjacent to Intestinal-Type Sinonasal Adenocarcinoma
Figure 3
Microphotographs of two cases with dysplasia. (a) Mild dysplasia in the surface epithelium. (b) Mild dysplasia both in the surface epithelium and in the seromucous glands. H&E staining, original magnification 400x (a and b).
