Show pageBacklinksCite current pageExport to PDFBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. =====Winking owl sign===== The (absent) pedicle sign, also called the winking owl sign, occurs on [[plain x ray]] film when a [[pedicle]] is absent. The term, winking owl sign, where the missing pedicle corresponds to the closed eye, the contralateral pedicle to the other open eye, and the spinous process to the beak of the animal AP views of the thoracic or lumbar spine ====Etiology==== destroyed pedicle [[spinal epidural metastases]] intraspinal malignancies tuberculosis and other infections uncommon: primary bone lesion; lymphoma congenital absence/hypoplasia of a pedicle neurofibromatosis poorly visualised radiation therapy winking_owl_sign.txt Last modified: 2024/06/07 02:57by 127.0.0.1