The association of sacroiliac joint bridging with other enthesopathies in the human body

Gali Dar, Smadar Peleg, Youssef Masharawi, Nili Steinberg, Bruce M. Rothschild, Israel Hershkovitz

Research output: Contribution to journalArticlepeer-review


STUDY DESIGN. A descriptive study of the association between sacroiliac joint (extra-articular) bridging and other enthesopathies. OBJECTIVES. To examine the relationship between sacroiliac joint bridging with other entheseal reaction sites in the skeleton, and its prognostic value in spinal diseases. SUMMARY OF BACKGROUND DATA. Sacroiliac joint bridging is considered a hallmark of spinal diseases (e.g., ankylosing spondylitis). Nevertheless, its association with other enthesopathies has never been quantified and analyzed. METHODS. A total of 289 human male skeletons with sacroiliac joint bridging and 127 without (of similar demographic structure) were evaluated for the presence of entheseal ossification, cartilaginous calcification, and other axial skeleton joint fusion (a total of 18 anatomic sites). The presence of diffuse idiopathic skeletal hyperostosis and spondyloarthropathy was also recorded. RESULTS. Sacroiliac joint bridging was strongly associated with entheseal reactions in other parts of the body. Of the sacroiliac joint bridging group, 24.91% had diffuse idiopathic skeletal hyperostosis, and 8.05% had spondyloarthropathy. CONCLUSIONS. The presence of sacroiliac joint bridging indicates an intensive general entheseal process in the skeleton.

Original languageEnglish
Pages (from-to)E303-E308
Issue number10
StatePublished - May 2007


  • Ankylosing
  • Ankylosing spondylitis
  • Diffuse idiopathic skeletal hyperostosis
  • Entheseal reaction
  • Fusion
  • Sacroiliac joint
  • Spinal diseases
  • Spondyloarthropathy

ASJC Scopus subject areas

  • Clinical Neurology
  • Orthopedics and Sports Medicine


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