Lichen planus 

A. Flat-topped, polygonal, sharply defined papules of violaceous color, grouped 
and confluent. Surface is shiny and, upon close inspection with a hand lens, fine white lines are revealed (Wickham striae, arrow). B. Close up of flat-topped shiny violaceous papules that are polygonal. 

#Lichen #Planus #Wickham #Striae #Dermatology #Clinical #Photo #Wrist