Medically reviewed by Doru Paul, MD Key Takeaways Blood tests are sometimes used to help confirm or rule out conditions ...

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 ...

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 ...

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 ...

Patients with late-onset axial spondyloarthritis (axSpA) are less likely to be positive for human leukocyte antigen B27 (HLA-B27) and have a family history of SpA; they are more likely to present with ...

Arthritis mutilans, a severe form of psoriatic arthritis, leads to tissue and bone breakdown, often linked to genetic factors like HLA-B27. Palindromic rheumatism features episodic joint pain and ...

There is no specific “diagnostic” or pathognomonic laboratory marker for ankylosing spondylitis/axial spondyloarthritis (AS/axSpA), and diagnosis is based on clinical history, physical examination and ...

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, ...