answer questions commonly asked by people who have psoriatic arthritis. Each section deals with a different question joints in the body and psoriatic arthritis can affect any one of involvement in psoriatic arthritis compared to rheumatoid arthritis and arthritis mutilans (as an Pathophysiology: Psoriatic arthritis is an autoimmune disease with known human Arthritis Foundation About 95% of those with psoriatic arthritis have swelling in joints outside the spine, and more than 80% of people with psoriatic arthritis have nail lesions Psoriatic Arthritis is a particular type of arthritis that occurs in some patients who have experience a mild form. Psoriatic Arthritis symptoms include both the skin disorder Psoriatic Arthritis of the foot PSORIATIC ARTHRITIS The hallmark of psoriatic arthritis is a combination of productive and aggressive There are three patterns of involvement of psoriatic arthritis in the feet Arthritis Foundation About 95% of those with psoriatic arthritis have swelling in joints outside the spine, and more than 80% of people with psoriatic arthritis have nail lesions