Psoriasis:A reddish, scaly rash often located over the surfaces of the elbows, knees, scalp, and around or in the ears, navel, genitals or buttocks.Psoriasisis anautoimmune diseasethat is mediated by T lymphocytes. It is also a very common disease, Chronicplaque psoriasis影响大约2%的世界各地的人们d. About 10% to 15% of patients with psoriasis develop joint inflammation (inflammatoryarthritis). Treatment options include topicalsteroidcreams, topicalvitamin Dderivatives, other medications, injections of biologic agents, and exposure to ultraviolet light.
See also: Erythrodermic psoriasis; Flexural psoriasis; Guttate psoriasis; Inverse psoriasis; Plaque psoriasis ;Psoriatic arthritis.
