Presentation
Mid thoracic back pain.
From the case:
Vertebral metastases - absent pedicle
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Absent left pedicle of T11 vertebra.
From the case:
Vertebral metastases - absent pedicle
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Lytic lesion at left pedicle of T11 vertebra.
Case Discussion
X-rays of the thoracic spine demonstrate the left T11 pedicle to be absent, seen only on AP projection and is called the winking owl sign. This is confirmed on CT, with evidence of other lytic spinal metastases.
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