Abstract:Background
Ultrasound (US) assessment was shown to be a sensitive tool for the evaluation of joint activity in patients with rheumatoid arthritis (RA). Synovial effusion and synovial hypertrophy can be evaluated by gray scale (GS), while hypervascularisation, as a marker of inflammation, can be measured using power Doppler signals (PD). Both types of signals are highly sensitive, and may persist even in clinical inactivity, i.e. when swelling or tenderness are absent. It is conceivable that such subclinical US… Show more
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