Axial disease is common and burdensome in patients with psoriatic arthritis (PsA). Human leukocyte antigen-B27 (HLA-B27) is a risk factor for axial PsA; treatment response by HLA-B27 status is ...

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 ...

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 ...

Sacroiliitis (SI) is reported to develop in up to 20% of patients with inflammatory bowel disease (IBD). While sex and the HLA-B27 allele have been reported to be associated with sacroiliitis in the ...

Human leukocyte antigen (HLA) typing is important in organ transplantation protocols, as they determine the likelihood of rejection. The HLA system is little understood, however. In simple terms, the ...

Dear Dr. Roach: My significant other and I are debating whether I should pursue follow-up testing with a rheumatologist for the possibility of ankylosing spondylitis. I say no, and she says yes, ...

A 14-year-old Japanese boy noted a blurred vision for 3 weeks in the left eye and was referred to our clinic on 1 February 2001. His best-corrected visual acuity (BCVA) was 6/6 in the right eye and ...