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Osseous growth projecting anteriorly from the left C5 facet. It has contiguity with the marrow space of the vertebra. It narrows the neural foramen and compresses the vertebral artery.
Multiple carotid space clips are from unrelated resection of multiple paragangliomas.
An osseous growth with contiguity with the marrow space is characteristic of osteochondroma or exostosis. They uncommonly occur in the spine. These lesions are often incidental, but can present with symptoms related to vascular or neural compression. This patient did not have symptoms.