This study involved 40 patients who met 3 criteria: HLA (human leukocyte antigen)-B27 positivity; less than 3 years of back pain that on history seemed inflammatory; and magnetic resonance imaging ...

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Approximately one quarter of patients with psoriatic arthritis (PsA) exhibited axial involvement (axial PsA). Enthesitis, inflammatory bowel disease, and HLA-B27 positivity were associated with an ...

The HLA-B27 genetic marker is known to be associated with increased risk for various arthropathies, including JIA. Whether the genetic marker's presence has prognostic value has been uncertain. In ...