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 ...
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 ...