This is known as the isomorphic response or Koebner phenomena. Varients of lichen planus are presented in Figures 2-9. Treatment: There is no cure for lichen planus but treatment often relieves ...

There is no scarring. Patients should be advised to avoid scratching or rubbing the skin, which may lead to the development of new psoriatic lesions (Koebner phenomenon). Patients should also be ...