Ankylosing spondylitis x ray

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Ankylosing spondylitis Microchapters


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Historical Perspective




Differentiating Ankylosing spondylitis from other Diseases

Epidemiology and Demographics

Risk Factors

Natural History, Complications and Prognosis


History and Symptoms

Physical Examination

Laboratory Findings

X Ray



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Case #1

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] ; Associate Editor(s)-in-Chief: Manpreet Kaur, MD [2]


An x-ray may be helpful in the diagnosis of ankylosing spondylitis (AS). Findings on an x-ray suggestive of ankylosing spondylitis (AS) include erosion and ankylosis of the sacroiliac joints.

X Ray

Lateral Xray of neck showing complete fusion of anterior and posterior elements in ankylosing spondylitis, so called bamboo spine. Source: Case courtesy of A.Prof Frank Gaillard, From the case <a href="">rID: 2912</a>

Ankylosing spondylitis DAGGER SPINE

X-ray Ap view of spine showing fusion of the spinous processes, so called dagger sign in AS Case courtesy of A.Prof Frank Gaillard, From the case <a href="">rID: 3382</a>


  1. Jang JH, Ward MM, Rucker AN, Reveille JD, Davis JC, Weisman MH, Learch TJ (January 2011). "Ankylosing spondylitis: patterns of radiographic involvement--a re-examination of accepted principles in a cohort of 769 patients". Radiology. 258 (1): 192–8. doi:10.1148/radiol.10100426. PMC 3009382. PMID 20971774.
  2. Poddubnyy D, Brandt H, Vahldiek J, Spiller I, Song IH, Rudwaleit M, Sieper J (December 2012). "The frequency of non-radiographic axial spondyloarthritis in relation to symptom duration in patients referred because of chronic back pain: results from the Berlin early spondyloarthritis clinic". Ann. Rheum. Dis. 71 (12): 1998–2001. doi:10.1136/annrheumdis-2012-201945. PMID 22915622.
  3. Ostergaard M, Lambert RG (August 2012). "Imaging in ankylosing spondylitis". Ther Adv Musculoskelet Dis. 4 (4): 301–11. doi:10.1177/1759720X11436240. PMC 3403247. PMID 22859929.
  4. Baraliakos X, Braun J (January 2010). "Hip involvement in ankylosing spondylitis: what is the verdict?". Rheumatology (Oxford). 49 (1): 3–4. doi:10.1093/rheumatology/kep298. PMID 19755506.

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