Dactylitis is diffuse inflammation of the digits and is so closely associated with psoriatic arthritis that it can be used as an outcome measure of it. In this Opinion article, the authors describe how imaging modalities and scoring systems combined with data from animal models can be used to understand the underlying anatomy and immunopathogenesis of dactylitis.
- Dennis McGonagle
- Ai Lyn Tan
- Philip Helliwell
