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©The Author(s) 2025.
World J Exp Med. Dec 20, 2025; 15(4): 114368
Published online Dec 20, 2025. doi: 10.5493/wjem.v15.i4.114368
Figure 4
Figure 4 In multifocal epithelial hyperplasia samples, the stratified squamous epithelium presents pronounced hyperorthokeratosis, accompanied by acanthosis and the presence of koilocytes in the intermediate layers. At the base of the epithelium, dense, well-vascularized connective tissue with chronic inflammatory infiltration is present, which is distributed abundantly and diffusely (100 ×).


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