File:Dagger sign in ankylosing spondylitis (Radiopaedia 8340).JPG

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Summary:

  • Radiopaedia case ID: 8340
  • Image ID: 238869
  • Study findings: Dagger sign (Ankylosing spondylitis) Note the inflammatory involvement of the right hip as well.
  • Modality: X-ray
  • System: Musculoskeletal
  • Findings: Dagger sign (Ankylosing spondylitis)The dagger sign is a single central radiodense line on frontal radiographs related to ossification of supraspinous and interspinous ligaments. Note the inflammatory involvement of the right hip as well.
  • Published: 24th Jan 2010
  • Source: https://radiopaedia.org/cases/dagger-sign-in-ankylosing-spondylitis
  • Author: Wael Nemattalla
  • Permission: http://creativecommons.org/licenses/by-nc-sa/3.0/

Licensing:

Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0)

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current00:17, 21 March 2021Thumbnail for version as of 00:17, 21 March 2021720 × 960 (67 KB)Fæ (talk | contribs)Radiopaedia project rID:8340 (batch #9840)

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