Psoriatic Arthritis Symptoms Psoriatic Arthritis Signs and Symptoms

The specific cause of psoriatic arthritis is not yet known, which means that no one knows for sure if they will develop the disease at any time in their life. Researchers believe that it is caused by a combination of immune, genetic and environmental factors are the culprits. For those patients who have psoriatic arthritis in the spine there is a gene marker named HLA-B27 which is often found through blood tests. More >