Figure 3. | Microscopic examination: A = high (original magnification x100); B = low (original magnification x40). Non-keratinized stratified squamous epithelium, with papillary surface, acanthosis, spongiosis, focally elongated and interconnecting rete pegs, and neutrophilic exocytosis. The underlying vascular connective tissue shows dense inflammatory infiltration of mixed type. |
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(*) marks epithelium (haematoxylin and eosin stain). |