Lesions detected and signal change in the posterior column
| Patient No. | Lesion in AC and MC | Secondary Change in AC | Lesion in PC* | Lesion Signal on T1WI in PC* | Lesion Signal on T2WI in PC* |
|---|---|---|---|---|---|
| 1 | C4–5 disk | C5 body | C4–5 facet, C4 spinal process | 5 | 5 |
| 2 | C6–7 disk, C7 body | C6 body | C5–6 facet, C5, C4 and C3 spinal processes | 4–5 | 5 |
| 3 | T10–11 disk and bodies | — | T10–11 facet, T10–11 interspinous | 5 | 5 |
| 4 | C7 body | — | C6–7 facet, C5 and C6 spinous processes | 5 | 5 |
| 5 | L1 body | — | T12–L1 facet and interspinous, L1 spinal process | 4 | 5 |
| 6 | T12–L1 disk | T12–L1 bodies | T12–L1 interspinous | 5 | 4–5 |
| 7 | T12–L1 disk and bodies | — | T12 superior articular processes, T11–12 interspinous | 5 | 5 |
| 8 | T11–12 disk and bodies | — | T11–12 facet, T11 spinal process | 5 | 5 |
| 9 | T12–L1 disk and bodies (T12 occult fracture) | — | T12–L1 facet, T12 spinal process | 4–5 | 5 |
| 10 | T12–L1 disk | T12–L1 bodies | Nil | — | — |
| 11 | L1 body, L2 body occult fracture | — | L1 superior articular process, lamina, T12–L1 interspinous space | 4–5 | 4–5 |
| 12 | T11–12 disk | T11–12 bodies | T11–12 facet, T11 spinous process, T10–11 interspinous space | 4–5 | 5 |
Note.—AC indicates anterior column; MC, middle column; PC, posterior column; T1WI, T1-weighted images; T2WI, T2-weighted images.
* Signal intensity: 1, >bone marrow; 2, =bone marrow; 3, between bone marrow and spinal cord; 4, =spinal cord; 5, <spinal cord.