What defines MRI indicative of axSpA? This systematic lit review show adapting more stringent cutoffs in BME (>=4 SIJ quads, erosion >=3 quads, fat >=5 SIJ quads) & combined BME + structural lesions inc specificity. Time for updated definitions? AbsPOS0866 @RheumNow #EULAR2026 https://t.co/gkVbcOAiD3