Background: Lichen planus is a mucocutaneous inflammatory disease with adnexal involvement. Pathologic studies were commonly used for definite diagnosis. Hyperkeratosis, hyper granulosis, acanthosis, elongation of rete ridges, basal cell degeneration and bank like lymph infiltration are 6 histopathological findings in diagnosis of lichen planus.
Materials and methods: In this research 200 path...
