<unk>  is a disease of the immune system. It is the more severe version of pityriasis<unk>  chronica. The disease is characterized by rashes and small lesions on the skin. The disease is more common in males and usually occurs in young adulthood, although it has been seen in every age group and every race. It is possible for the disease to go into remission for short periods of time or forever.
Pityriasis lichenoides et varioliformis acuta
Pityriasis amiantacea
Pityriasis lichenoides chronica
Granulosis rubra nasi
Keratoderma blennorrhagicum
Keratosis follicularis spinulosa decalvans
Tinea versicolor
Shiitake mushroom dermatitis