The ring of C2 and evaluation of the cross-table lateral view of the cervical spine

Robert S. Van Hare, Michael Yaron*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The cross-table lateral view is essential in the initial workup of a trauma patient with a suspected cervical-spine injury. The identification of the radiographic "ring" of C2 on the cross-table lateral view is discussed. When a type III odontoid fracture is present, the ring of C2 is disrupted. We propose that "identification of the ring of C2" should be added to the emergency physicians' systematic checklist when clearing a cross-table lateral view of the cervical spine.

Original languageEnglish
Pages (from-to)733-735
Number of pages3
JournalAnnals of Emergency Medicine
Volume21
Issue number6
DOIs
StatePublished - Jun 1992
Externally publishedYes

Keywords

  • cervical spine, trauma

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