Factors predicting axial spondyloarthritis among first-degree relatives of probands with ankylosing spondylitis: a family study spanning 35 years.
Sjef M van der LindenMuhammad Asim KhanZhixiu LiHeinz BaumbergerHermine van ZandwijkKazim KhanPeter M VilligerMatthew A BrownPublished in: Annals of the rheumatic diseases (2022)
Occurrence of AAU among FDR of axSpA probands should prompt screening for axSpA. Moreover, co-occurrence of CIBP and pain/discomfort in the thoracic spine and at anterior chest wall as a three-question tool may further enhance clinical suspicion of axSpA among these FDR.