Table 1:

Patterns of abnormality seen on MR imaging for ligamentous structures and disks as described in the literature815

StructureAbnormality on MR Images
Anterior longitudinal ligamentHigh T2 signal
Displacement/elevation
Disruption
DiskHigh T2 signal
Widening
Posterior longitudinal ligamentHigh T2 signal
Displacement/elevation
Disruption
Vertebral bodyAbnormal marrow signal (bone contusion)
Deformity of shape/contour (fracture)
Posterior osseous structuresDeformity of shape/contour (fracture)
Facet capsulesHigh T2 signal
Widening
Dislocation
Ligamentum flavumHigh T2 signal
Disruption
Interspinous soft tissuesHigh T2 signal
Disruption