<prompt> All of the following are seen in Lichen planus except?Max - Joseph spacesCivatte or colloid bodiesKoebners phenomenonAbsent granular cell layer  <response>: Granular cell layer is absent in psoriasis where as Lichen planus is characterized by Hypergranulosis.Necrotic apoptotic keratinocytes are called as colloid civatte bodies and spaces left at the dermo - epidermal junction are termed as Max - joseph spaces.Both are seen due to autoimmune destruction of basal keratinocytes,classical of lichen planus. 