Thirty-nine discs positive for EAF—T2WI grade, HIZ detection, and unrecognized fissure/tear pain response
| Annular Fissure/Tear CG-1 T2WI Grade | EAFs Identified on T1 Enhanced Sequence by CG-1 | HIZs Identified on T2-Weighted Sequence by CG-2 (% EAFs) | Injection Pain Response of 16 Unrecognized Annular Fissures (HIZs) by CG-2 on T2WI | ||
|---|---|---|---|---|---|
| C | NC | N | |||
| 4 | 8 | 7/8 (87.5%) | 1 | ||
| 3 | 12 | 10/12 (83.3%) | 1 | 1 | |
| 2 | 8 | 4/8 (50.0%) | 1 | 2 | 1 |
| 1 | 11 | 2/11 (18.2%) | 7 | 1 | 1 |
| Total | 39 | 23/39 (59.0%) | 9 | 4 | 3 |
Note:—C indicates concordant levels; NC, nonconcordant levels; N, negative pain response; CG-1, consensus group 1; CG-2, consensus group 2.