Thyroid cartilage overlap of disc spaces in the “prong deflector” group: observations at discography
| Fluoroscopy observation of disc space access: Pre Cartilage Deflection → Post Cartilage Deflection | C34 Level | C45 Level | C56 Level | C67 Level | Total |
|---|---|---|---|---|---|
| Partial covered → uncovered | 3 | 3 | 4 | 1 | 11 (29%) |
| Covered → uncovered | 2 | 12 | 10 | 3 | 27 (71%) |