Fig. 1From: Salivary and serum expression of TNF-α and Ki-67 in oral potentially malignant lesionsPhotomicrograph showing different dysplastic features a basal cells showing hyperplasia, loss of polarity, subepithelial inflammatory cell infiltration, b loss of cohesiveness between cells, c intact basement membrane with loss of cohesiveness, subepithelial inflammatory cell infiltrate, d hyperkeratosis (H&E stain, 100 µm), e abnormal mitotic figures, f nuclear hyperchromatism and abnormal mitosis (H&E stain, 200 µm)Back to article page