The Characteristic Features of Lichen Planus are: • Hyperkerat | Dermatology

The Characteristic Features of Lichen Planus are: • Hyperkeratosis with absence of parakeratosis(which is a mode of keratinization characterized by the retention of nuclei in the stratum corneum) • Hypergranulosis (which is thickening of the granular layer) with Basal cell degeneration • Presence of irregular acanthosis with saw-tooth appearance of the rete-ridges. • Presence of upper dermal band-like lympho-histiocytic infiltrate that impinges on the epidermis, leading to obliteration of the dermo-epidermal interface • Presence of Civatte bodies (also known as colloid bodies and hyaline bodies), representing degenerated, apoptotic keratinocytes.