Patient Data
Gender: Unknown
From the case:
Harris ring
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Lateral radiograph of the cervical spine demonstrating an intact Harris ring at the base of the odontoid of the C2 vertebra.
From the case:
Harris ring
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Annotated image showing the Harris ring (encircled).
Case Discussion
Harris ring is a normal radiological shadow observed at the base of the odontoid process on lateral radiographs of the cervical spine. It is formed by the superimposition of lateral masses of the C2 vertebra (axis) on its body.