Migration of a swallowed needle into the cervical spine: case report.

Foreign body migration into the cervical spine is rare. Only 3 prior reports of needle migration into the cervical spine exist in the literature. Here, the authors report one such case, where the migrated needle narrowly avoided the thecal sac and vertebral artery. To the authors' knowledge, this is the first report of a migrated swallowed foreign body in the cervical spine.