Ultrasound in CSA patients: Retro US cohort 110pts 28.2% w/ 💥Power Doppler synovitis. 36.8% at 6mo evolved to RA among which 100% PD+ vs 25% PD- PD + predicts evolution to clinical RA (OR 13.1; CI 1.07-161.04) Easier and less invasive than MRI! #Abstr1525 #ACR21 @RheumNow https://t.co/MkhWTvnv3L