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Open Access Publications from the University of California

Os Odontoideum: Rare Cervical Lesion

  • Author(s): Robson, Kristie A
  • et al.

We report the case of a 22-year-old Marine who presented to the emergency department, after a martial arts exercise, with transient weakness and numbness in all extremities. Computed tomography cervical spine radiographs revealed os odontoideum. Lateral flexion–extension radiographs identified atlanto-axillary instability. This abnormality is rare and can be career ending for military members who do not undergo surgical fusion. [West J Emerg Med. 2011;12(4):520–522.]

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