Spondyloarthritis: not only enthesitis.

Spondyloarthritis represents a heterogeneous group of inflammatory diseases that share common genetic, clinical and radiological features. Those diseases are characterised by inflammation in the spine and in the peripheral joints. Enthesitis is considered a pathological hallmark of the spondyloarthritis group of conditions but there are also many other relevant clinical manifestations. The aim of this article is to present an overview on articular and extra-articular manifestations and comorbidities associated with spondyloarthritis.