Expert Rev Clin Immunol 2018 May 24:1-9. Epub 2018 May 24.
a Department of Gastroenterology , Infectiology and Rheumatology, Charité -Universitätsmedizin Berlin , Berlin , Germany.
Introduction: Non-radiographic axial spondyloarthritis (nr-axSpA) represents a subtype of axial spondyloarthritis (axSpA) with no significant structural damage in sacroiliac joints and spine. In addition, patients with nr-axSpA demonstrate a substantial burden of illness, and a considerable share of them might progress to radiographic axSpA (r-axSpA) over time. The amount and quality of published data allows crude estimation of progression rate and factors related to a higher risk of progression. Read More