Modality: X-ray (Frontal)

- “ Patient has a known history of breast cancer and this represents osseous metastases.  Absent pedicle sign refers to the destruction of one pedicl...”

Used in the following articles:

  • 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...”
  • Vertebral metastases - “ Vertebral metastases represent the secondary involvement of the vertebral spine by haematogenous spread metastatic cells. They must be included in...”

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