oral lichen planus
Pruritic, Purple, Polygonal, Planar, Papules and Plaques are the 6 P’s of lichen Planus .
Mucosal involvement manifests as Wickham striae (reticular white lines) and hypergranulosis.
Sawtooth infiltrate of lymphocytes at dermal-epidermal junction.
Associated with hepatitis C.
Nail pterygium.