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Pars interarticularis

Last revised by Antone Samy on 22 Feb 2022

The pars interarticularis or simply pars is the part of a vertebra located between the superior and inferior articular processes. In the axial plane the pars is located at the junction of the pedicle and lamina.

In the oblique lumbar radiograph, the neck of the Scottie dog represents the pars.

Related pathology

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Cases and figures

  • Case 1a: sagittal CT
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  • Case 1b: coronal CT
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  • Case 1c: axial CT
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