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. 2022 Oct 12;13(3):873–896. doi: 10.1177/21925682221129220

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© The Author(s) 2022

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 License (https://creativecommons.org/licenses/by-nc-nd/4.0/) which permits non-commercial use, reproduction and distribution of the work as published without adaptation or alteration, without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 10. — Various patterns of facet diastasis in CT. Facet dislocation (A, B ) seen in CT axial images show (2 white arrows, A) and sagittal CT image (blue arrow, B); Facet Subluxation (C, D ) seen in CT axial images as bilateral naked facet sign (2 red arrows, C) and sagittal CT image as a vertical distraction (white arrow, D); Displaced facet fracture (E, F) seen in CT axial images (white arrows, E) and sagittal CT image as a displaced fracture of the left superior articular facet (blue arrow, F); Non-displaced facet fracture (G, H) is seen in CT axial images (black arrow, E) and sagittal CT images as a non-displaced fracture of the left inferior articular facet (black arrow, F); Facet joint widening (J, K) is seen in CT axial images as widening of the facet joint > 3mm with the preserved alignment of articular surfaces (yellow circle, J) and sagittal CT images (green arrow, K). Abbreviations: CT, computed tomography.