From the case: Winking owl sign

Modality: X-ray (Frontal)

- “ The winking owl sign is given to the appearances on AP projection of the absence of one pedicle of a vertebra body. It is almost always due to de...”

Used in the following article:

  • Winking owl sign (spine) - “ The (absent) pedicle sign, also called the winking owl sign, occurs on plain film when a pedicle is absent. The term, winking owl sign, where the...”

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