Coronal bone window
System: Musculoskeletal
Section: Signs
Tag: spine
Modality: CT (bone window)

- “ The dagger sign is an imaging feature seen in ankylosing spondylitis as single central radiodense line related to ossification of supraspinous and...”

Used in the following article:

  • Dagger sign (spine) - “ The dagger sign is a radiographic feature seen in ankylosing spondylitis as a single central radiodense line on frontal radiographs related to oss...”

View full size version of Ankylosing spondylitis - with dagger sign

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.