X-ray
Frontal magnification
System: Musculoskeletal
Section: Signs
Tag: spine
Modality: X-ray (Frontal magnification)

- “ The "inverted Napoleon hat sign" is a finding on lumbar spine radiographs that indicates bilateral L5 pars defects with anterolisthesis of L5 over...”

Used in the following article:

  • Inverted Napoleon hat sign - “ The inverted Napoleon hat sign is a radiologic sign seen on the frontal pelvic or lumbar radiograph at the level of the 5th lumbar vertebra and th...”

View full size version of Inverted Napoleon hat sign

Updating… Please wait.

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

 Thank you for updating your details.