lichen sclerosis

What Autoimmune Disease Causes Lichen Planus? Lichen planus is a cell-mediated immune response of unknown origin. It may be found with other diseases of altered immunity; these conditions include ulcerative colitis, alopecia areata, vitiligo, dermatomyositis, morphea, lichen sclerosis, and myasthenia gravis. Is lichen planus linked to other diseases? Lichen planus is a cell-mediated immune response