It is expected that the development of standardized nomenclature will improve not only disease understanding but also disease definition. Therefore, to unify the terminology, and on the basis of the current evidence, we suggest that “axial psoriatic arthritis” is the preferred proposed term and “...
Désirée van der HeijdeLeiden University Medical Center, Leiden, The NetherlandsJohn Wiley & Sons, LtdArthritis & RheumatismSieper J, van der Heijde D. Review: Nonradiographic axial spondyloarthritis: new definition of an old disease? Arthritis Rheum 2013;65:543-51....
Spondyloarthropathiesare the broadest definition of the disorder. They are a group of related inflammatory illnesses with some overlapping characteristics in terms of symptoms and genetic links. Overall, these related conditions are believed to affect up to 2% of the population.2 Some of these sympt...