Psoriatic Arthritis: 12 Tests You Need to Know About

Psoriatic arthritis (PsA) is a complex autoimmune condition that affects the joints and skin, often requiring long-term management and careful monitoring. A range of tests is used to diagnose PsA, monitor disease progression, and assess treatment effectiveness. Understanding these tests can empower you to take an active role in your healthcare. 1. X-Ray Imaging X-rays are a common imaging test used to detect changes in the bones and joints associated with PsA. These changes include bone erosion, new bone formation, and bone fusion, all of which can indicate disease progression. How often should you be tested? X-rays are typically performed at the time of diagnosis and may be repeated annually to monitor changes over time or as needed to monitor disease progression. 2. MRI Imaging Magnetic resonance imaging (MRI) provides detailed images of the joints, allowing healthcare providers to assess inflammation and joint damage. MRIs are often used when X-rays do not provide enough information or to monitor disease activity and progression. How often should you be tested? Initially used for diagnosis, MRIs may be repeated periodically to assess disease activity and joint damage. 3. Erythrocyte Sedimentation Rate (ESR) The ESR is a blood test that measures the rate at...