Intraoral Potentially Malignant Disorders in a Brazilian Oral Pathology Service: Epidemiological, Clinical, and Histopathological Findings

Figure 1

Clinical and histological correlations in two cases from the sample: (a) a lesion clinically described as oral leukoplakia involving the mouth floor and gingiva in the inferior left lingual mucosa; (b) a mixed red and white lesion, clinically described as erythroleukoplakia at ventral surface of the tongue; (c) histopathological mild epithelial dysplasia, with the epithelial layer showing acanthosis and cellular atypia restricted to the basal layer (H&E 400x); (d) histopathological severe epithelial dysplasia, with cellular atypia involving all layers of the epithelium (H&E 400x).

(a)

(b)

(c)

(d)