Axial involvement is present in approximately 25% of patients with PsA, with enthesitis, inflammatory bowel disease, and HLA-B27 positivity associated with an increased risk for axial PsA.

Some people with PsA also experience enthesitis, inflammation in the area where tendons and ligaments connect to bone. Enthesitis can cause pain and may occur in the heel of the elbow. In addition ...

Healy PJ and Helliwell PS (2008) Measuring clinical enthesitis in psoriatic arthritis: assessment of existing measures and development of an instrument specific to psoriatic arthritis. Arthritis ...

The clinical terms for inflammation of the areas where tendons and ligaments attach to bones is enthesitis or enthesopathy. People with AS can experience enthesitis in the hips and other sites ...