Abstract:BackgroundThe absence of categorical radiographic evidence of structural changes in the sacroiliac joints serves to distinguish AS from nr-axSpA. Both groups of patients are characterized by active inflammatory changes, established by magnetic resonance tomography (MRI) of the sacroiliac joints, which, with the progression of the disease, are structurally progressive.ObjectivesTo determine whether it is possible to detect erosions, subchondral osteosclerosis and bone marrow metaplasia on a magnetic resonance i… Show more
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