MRI lesions in the sacroiliac joints of patients with spondyloarthritis: an update of definitions and validation by the ASAS MRI working group.
Walter P MaksymowychRobert Gw LambertMikkel ØstergaardSusanne Juhl PedersenPedro M MachadoUlrich WeberAlexander N BennettJuergen BraunRuben Burgos-VargasManouk de HoogeAtul A DeodharIris EshedAnne Grethe JurikKay-Geert Armin HermannRobert Bm LandewéHelena Marzo-OrtegaVictoria Navarro-CompánDenis PoddubnyyMonique ReijnierseMartin RudwaleitJoachim SieperFilip E Van den BoschDésirée Mfm van der HeijdeIrene E van der Horst-BruinsmaStephanie WichukXenofon BaraliakosPublished in: Annals of the rheumatic diseases (2019)
The ASAS-MRI WG concluded that several definitions required revision and some new definitions were necessary. Multi-reader validation demonstrated substantial reliability for the most frequently detected lesions and comparable reliability between active and structural lesions.