Nail psoriasis results from psoriatic involvement of the nail bed or nail matrix.Patients with nail psoriasis can develop a wide variety of nail ch. Photographs can be taken at baseline and at follow-up visits. Psoriasis is a common; typically chronic papulosquamous skin disease that may be associated with a seronegative spondyloarthropathy. Psoriasis may begin at any age however generally there are two peaks of onset, the first at 20-30 years and the second at 50-60 years. PsA affects up to one third of patients with psoriasis and is a destructive arthropathy and enthesopathy. A clinical diagnosis is usually sufficient for classic skin and nail lesions. About 10 percent of people who get psoriasis develop guttate psoriasis. Nail changes occur in up to 50 percent of people with psoriasis and at least 80 percent of people with psoriatic arthritis. One-third to one-half of all young people with psoriasis may experience a flare-up two to six weeks after an earache, strep throat, bronchitis, tonsillitis or a respiratory infection.
Synonyms: psoriatic arthropathy, arthropathia psoriatica, arthritis mutilans, seronegative arthritis associated with psoriasis See also separate articles Psoriasis of Hands and Feet, Chronic Plaque Psoriasis, Erythrodermic Psoriasis and PUVA. (psoriatic arthritis usually develops within ten years of a diagnosis of psoriasis). Tenosynovitis affects up to a third and nail changes are present in about two thirds. Multiple studies have confirmed that psoriatic nail involvement is a risk factor for psoriatic arthritis. Radiologic findings in psoriatic arthritis, primarily consisting of erosive changes and juxta-articular new bone formation, are seen in two thirds of patients consulting rheumatologists. Nail involvement is an extremely common feature of psoriasis and affects approximately 10-78 of psoriasis patients with 5-10 of patients having isolated nail psoriasis. Psoriatic paronychia usually develops when the periungual skin is affected by psoriasis, but it is also commonly seen in psoriatic arthritis with nail involvement.
Patients with psoriasis are also more liable to develop cardiovascular diseases, obesity, liver disease and diabetes. Up to 40 of people with skin psoriasis have some signs of psoriatic arthritis. First-degree relatives of patients with psoriatic arthritis have a 50-fold increased risk of developing psoriatic arthritis compared with the general population. Silvery, flaky areas of dead skin build up on the surface of the plaques before being shed. The patches slowly grow larger and develop thick, dry plaque.
Psoriatic Arthritis. What Is Psoriatric Arthritis? Information
Psoriasis is a long-lasting autoimmune disease characterized by patches of abnormal skin. Fingernails and toenails are affected in most people at some point in time. About 30 of individuals with psoriasis will develop psoriatic arthritis. Psoriasis in the patient, or a family history of psoriasis or psoriatic arthritis. Psoriatic nail changes, which may be a solitary finding in patients with psoriatic arthritis, may include the following:. Serum immunoglobulin A levels are increased in two thirds of patients. Two-thirds of patients with psoriasis have mild disease, while one-third of patients have moderate to severe disease. Clues that the erythroderma is secondary to psoriasis are the presence of the classic nail changes and usually, but not always, facial sparing. The first sign of nail psoriasis is usually pitting of the fingernails or toenails. Often found on the arms, legs, and trunk and sometimes in the scalp, guttate psoriasis can clear up without treatment or disappear and resurface in the form of plaque psoriasis. Pustules appear within a few hours, then dry and peel within two days. This particularly inflammatory form of psoriasis can be the first sign of the disease, but often develops in patients with a history of plaque psoriasis.