#OP0346 In clinically suspect arthralgia, US missed ~3/4 cases of tenosynovitis detected by modified Dixon MRI. Compared to mDixon MRI, US sensitivity was 23%; specificity remained 100%. Potential for fast non-contrast MRI in early RA risk stratification. #EULAR2026 @RheumNow https://t.co/h3FhLEC2je