<unk>  is a rare skin disorder characterized by follicular keratotic papules that are grouped into large patches. It is a variant of keratosis pilaris named for its resemblance to a patch of lichen.
Lichen spinulosus
Lichen myxedematosus
Lichen nitidus
Lichen scrofulosorum
Malum perforans
Nevus lipomatosus superficialis
Lichen striatus
Tinea imbricata