Esophageal lichen planus: Current knowledge, challenges and future perspectives

Figure 3 Esophageal epidermoid metaplasia in esophageal lichen planus. A-C: Atrophic squamous epithelium showing extensive detachment from the lamina propria, subtle hyperkeratosis (A, C) and mild intraepithelial CD3+ T-lymphocytosis (B) associated with scattered Civatte bodies (C, arrow); D, and E: Low-grade squamous orthokeratotic dysplasia in detached epithelium of ELP. Presence of basal-type cells in the lower half of the flat epithelium, note presence of scattered mitosis (E, star); F: An increased Ki67+ proliferation index.