Annular fissures identified and pain response at provocation discography
| Peripheral Annular Morphology by MR Imaging | Discography-Provoked Pain Response | |||
|---|---|---|---|---|
| Severe Pain | Negative for Pain | Total | ||
| Concordant Pain(% of Total) | Nonconcordant Pain(% of Total) | |||
| EAF | 22/39 (56.4%) | 10/39 (25.6%) | 7/39 (18%) | 39 (100%) |
| Focal high signal on T2WI only | 0 | 0 | 1 | 1 |
| No MR imaging evidence of annular fissure/tear | 14/60 (23.3%) | 4/60 (6.7%) | 42/60 (70.0%) | 60 (100%) |
| Total | 36/100 (36%) | 14/100 (14%) | 50/100 (50%) | 100 (100%) |