GCA phenotypic differences clearer again - Large vessel involvement (on USS) in GCA are a/w: - higher steroid burden - first relapses occur later - relapses harder to diagnose (symptoms less classical), but were a/w an IMT increase of about 25% (0.18mm) #ACR20 ABST0518 @RheumNow https://t.co/87zVjAm9eU