Signs of intervertebral disc degeneration: (a). The vacuum phenomenon. This sagittal CT reformatting image shows the foci of air within the L2–L3 and L3–L4 discs (arrows). (b) Intradiscal fluid accumulation (arrow). (c) A sagittal reformatting CT image at the level of C3–C4 shows disc calcification (arrow)
Irina Nefedova
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Kushchayev, S.V., Glushko, T., Jarraya, M. et al. ABCs of the degenerative spine. Insights Imaging 9, 253–274 (2018). <a rel="nofollow" class="external free" href="https://doi.org/10.1007/s13244-017-0584-z">https://doi.org/10.1007/s13244-017-0584-z</a>