Table 2
Features of the T2-weighted images at the L4–5 disc diagnosed by a radiologist
| Initial assessment | Final assessment |
| The outer layer is intact | The outer layer is still intact |
| There is a slight right and posterior disc bulge | The disc bulge has not changed |
| The NP has spread widely in the disc | The NP has gathered at the centre of the disc |
| A part of the NP has displaced right and posteriorly and reached the outer layer | The displaced NP portion is no longer evident and the outer annular layer is no longer provoked |
Note: NP = nuclear pulposus.
