Figure 3From: Laboratory biomarkers or imaging in the diagnostics of rheumatoid arthritis? Early aggressive arthritis (dorsal view, transverse scan). The Doppler signal is closely linked to the bone margin (A). The same image without Doppler signal (B) shows an evident circumscribed loss of sharpness of the bone margin (>) at the point of contact with the synovial pannus (+). This figure is original and has not been previously published.Back to article page