All of the following are seen in Lichen planus except?: (A) Max - Joseph spaces, (B) Civatte or colloid bodies, (C) Koebner's phenomenon, (D) Absent granular cell layer
Answer is D. 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.