BACKGROUND Ankylosing spondylitis(AS)is strongly associated with the human leukocyte antigen(HLA)B27 haplotype.In regions where conventional polymerase chain reaction for HLA typing is available for antigens such as H...
Joint involvement is the most common extraintestinal manifestation in children with inflammatory bowel disease (IBD) and may involve 16%-33% of patients at diagnosis or during follow-up. It is possible to distinguish ...
The association between spondyloarthropathy and in flammatory bowel disease(IBD) is largely established, although prevalence is variable because of different population selection and diagnostic methodologies.Most stud...