We have identified a family in which typical EI developed in an epidemic setting in four male siblings and their father. Three individuals who were HLA-B27+ developed arthritis (Figure). Two nine year ...

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 ...

Recognizing psoriasis and psoriatic arthritis (PsA) in non-White patients is the first step toward providing more equitable care for those of all backgrounds with PsA, according to Rebecca Haberman, ...