Prevalence of axial spondyloarthritis in patients with acute anterior uveitis: a cross-sectional study utilising MRI.

Objective: Acute anterior uveitis (AAU) is the most common extra-articular manifestation of axial spondyloarthritis (axSpA). In this study, patients presenting with AAU were evaluated clinically and with MRI in order to estimate the prevalence of axSpA.

Methods: Consecutive patients presenting to a university teaching hospital between February 2014 and March 2015 with AAU were invited to participate.