The institutional review board of National Cheng Kung University Hospital approved this study(No.B-ER-105-108).
Seronegative spondyloarthropathy(SpA)usually starts in the third decade of life with negative rheumatoid factor,human leukocyte antigen-B27 genetic marker and clinical features of spinal and peripheral arthritis,dacty...
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 ...