alexa Winking-owl Sign - An Uncommon Presentation of Spine Metastasis

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Winking-owl Sign - An Uncommon Presentation of Spine Metastasis

A 50-year old female from a nearby village came to outpatient department of our hospital with an acute history of severe backache since few days. Clinical examination revealed focal tenderness in mid-lumbar region. Laboratory investigations were however, unremarkable. She was advised radiograph of dorsolumbar spine region in anteroposterior and lateral projections. Careful evaluation of radiographs revealed nonvisualisation of left-sided pedicle of L3 vertebra representing winking-owl sign, conspicuously noted on anteroposterior projection associated with surrounding vertebral lucency. Histopathological examination confirmed the primary malignancy and metastases.

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