There are several sub-types of chronic plaque psoriasis, some of which are very uncommon and which include Rupioid psoriasis, Lichenified psoriasis as well as Elephantine psoriasis, Ostraceous psoriasis, and linear psoriasis as too photosensitive psoriasis. Rupioid psoriasis is limpet like as well as results in lesions that are of a cone shape. Lichenified psoriasis refers […]