Treatment of oral lichen planus by surgical excision and acellular dermal matrix grafting: Eleven case reports and review of literature

Figure 2 Histopathological analysis revealed hyperepithelialization, hydropic degeneration of the basal cells, unclear basement membrane structure, and infiltration of banded subepithelial lymphocytes and plasma cells. All pathological diagnoses were inclined to be lichen planus, and the lesions were not malignant. Scale bar: 100 mm.