Patient Data
Gender: Male
From the case:
Winking owl sign - absent pedicle in spinal metastases
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From the case:
Winking owl sign - absent pedicle in spinal metastases
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Info

Winking owl.
Modifications: Vertical flip.
Image source: https://commons.wikimedia.org/wiki/File:A_wink_%26_a_nod.jpg
This file is licensed under the Creative Commons Attribution 2.0 Generic license.
Case Discussion
Winking owl sign refers to an absent vertebral pedicle in a frontal radiograph.