Winking owl sign - absent pedicle in spinal metastases

Case contributed by Dr Roberto Schubert

Patient Data

Gender: Male

Absent right pedicle of L4.

Winking owl.

Image source: Wikimedia commons.

Case Discussion

Winking owl sign refers to an absent vertebral pedicle in a frontal radiograph.

PlayAdd to Share

Case information

rID: 14694
Published: 22nd Aug 2011
Last edited: 20th Dec 2019
Inclusion in quiz mode: Included

Updating… Please wait.

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

 Thank you for updating your details.