Tag lumbar spine
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Winking owl sign

One of the first signs of vertebral metastases is disappearance of the pedicle on the AP X-ray. This is known as the 'absent pedicle' or 'winking owl sign'.

in with a chance…

the case. a 19 year old female arrives to your resuscitation bay following a high-speed rollover MVA where she was the restrained passenger. she has a clinically fractured mandible with some oropharyngeal bleeding, but a GCS of 15. she is…