Table 2.
Mean STN target point coordinates of 3 DBS surgeons relative to the midcommissural point on 1.5-, 3.0-, and 7.0-T T2-weighted MRI
| Field strength | Lateral, mm |
Posterior, mm |
Inferior, mm |
||||||
| S1 | S2 | S3 | S1 | S2 | S3 | S1 | S2 | S3 | |
|---|---|---|---|---|---|---|---|---|---|
| 1.5 T | 11.0 (0.7) | 10.8 (0.7) | 11.0 (0.5) | 2.7 (0.8) | 2.6 (0.8) | 3.0 (1.0) | 4.6 (0.7) | 4.3 (0.6) | 5.1 (0.7) |
| 3.0 T | 11.0 (0.6) | 10.8 (0.6) | 11.0 (0.7) | 2.8 (0.9) | 2.4 (0.7) | 2.9 (1.0) | 5.0 (0.9) | 4.4 (0.6) | 5.3 (0.7) |
| 7.0 T | 10.7 (0.8) | 10.8 (0.8) | 10.7 (0.9) | 2.6 (0.9) | 2.6 (1.0) | 2.8 (0.9) | 4.9 (0.8) | 4.5 (0.8) | 5.1 (0.8) |
Absolute distances are stated (standard deviations).