Dx... DAGGER SIGN:: ANKYLOSING SPONDYLITIS

Dx… DAGGER SIGN:: ANKYLOSING SPONDYLITIS…

:point_right::loop::point_right:The dagger sign is a radiographic feature seen in ankylosing spondylitis as a single central radiodense line on frontal radiographs related to ossification of supraspinous and interspinous ligaments.