EditorialSpondyloarthritis: A concept or a disease?
Section snippets
From nosology to phenotype
The development of new classification criteria has led not only to terminological changes [1], with “spondyloarthritis” now being used instead of “spondyloarthropathy”; but also to a shift in the nosological perspective, with individualized entities (e.g., psoriatic arthritis or enteropathic arthropathy) being replaced by clinical presentations (e.g., axial involvement or entheseal involvement) (Table 1). These changes are reflected in the current classification criteria developed by the ASAS,
Conclusion
Spondyloarthritis is not a concept encompassing various distinct rheumatic conditions but, instead, a single disease with heterogeneous phenotypic profiles that should be taken into account in clinical practice.
Disclosure of interest
The authors declare that they have no conflicts of interest concerning this article.
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