Dr DEEPAN P SHAH (MD)TweetLichen Planus (LP) is believed to be autoimmune condition with an unknown causative and triggering factor. It presents itself with skin lesions characterize by 6 P’s i.e. Planar [flat topped], Purple, Polygonal, Pruritic, Papules and Plaques; Although it may present itself with variety of other lesions as well. The Lesions typically … Continue reading LICHEN PLANUS