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Salient features of vignettes in high variability group
| Salient features of vignettes in high variability category |
|---|
| Multifocal contiguous >2 intervertebral disc spaces with destruction of the intervening body |
| Active compression over the cord, conus, or thecal sac |
| Pan-vertebral disease or facet joint involvement |
| Retropulsion and lateral subluxation (hard compression) |
| Distraction of the posterior elements or facetal subluxation/dislocation |
| Kyphosis more than 45° |
