Presentation
Back pain. Known metastatic bladder cancer.
Patient Data
Age: 70 years
Gender: Male
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Info
Destruction of the right L1 pedicle secondary to a metastatic deposit - the 'winking eye' sign.
Note also the right ureteric stent, inserted to treat hydronephrosis secondary to bladder tumor.
Case Discussion
The winking owl due to a pedicular metastasis in the L1 vertebra.
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