Rheumatoid arthritis (RA) is an autoimmune connective tissue disease of unknown etiology
with development of persistent and erosive arthritis ultimately resulting in disability. The prevalence
of RA is about 0.5-1% in adults worldwide. Radiographic changes in the joints at early stages of the
disease are often absent. Accordingly, there is a need for instrumental methods of diagnosis with
greater sensitivity. These include magnetic resonance imaging and ultrasound of joints. The paper reviews
the instrumental methods of diagnosis of joint damage in early RA according to the existing literature
of PubMed database. Selection criteria were original articles in the English language reporting «X-ray», «MRI»
and «ultrasound» in patients with early RA.
Keywords: Early RA, MRI, ultrasound, X-ray.
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