Table 5. Summary of epilepsy patients progressing to surgery and utility of 7T information for surgical intervention.
| ID | sSOZ | Use of 7T Report | Relation to sSOZ | Type of Surgery | Pathology | Surgical Outcome (Engel Scale) |
|---|---|---|---|---|---|---|
| 5 | Bilateral: Right >> Left Frontal |
Suggested investigations into multi-focal nature disease | Uncertain | Intracranial electrodes then RNS | N/A | 3 |
| 7 | Right hemispheric Frontal and parietal onset |
Permitted retrospective identification on previous scan permitting progression to surgery | Definite | Grid + Resection of polymicrogyria | Focal Cortical Dysplasia excision with focal features of polymicrogyria and gliosis | 2 |
| 11 | Bilateral Multifocal |
Anatomical planning and electrode placement | None | SEEG then VNS | N/A | 2 |
| 13 | Left Temporal |
Anatomical planning and electrode placement | Possible | SEEG then RNS | N/A | 3 |
| 17 | Left Posterior temporal/parietal |
Recommended for surgical intervention | Possible | Recommended for surgery | N/A | N/A |
| 19 | Left Temporal |
Changed surgical prognosis | Definite | Recommended for surgery | N/A | N/A |
| 21 | Right Temporal |
Invalidated previous, artifactual, findings. | Possible | Grid + Resection of right lateral temporal lobe | Scattered neurons in the subcortical white matter consistent with heterotrophic neurons of uncertain epileptogenic significance | 1 |
| 24 | Right Anterior/mesial temporal |
Assisted in the placement of electrode placement. | Definite | SEEG and laser ablation | N/A | 1 |
| 25 | Bilateral Mesial temporal |
Not used | None | b/l SEEG b/l hippocampus/amygdala RNS |
N/A | 2 |
| 28 | Left Mesial-Frontal |
Used to identify targets for placement of SEEG | Uncertain | SEEG, no theraputic stage recommended | N/A | N/A |
| 34 | Left Temporal |
Confirmed EEG findings and aided in surgical planning | Definite | Laser ablation | N/A | 1 |
| 35 | Left Fronto-temporal |
Not used | None | b/ SEEG + Scheduled RNS | N/A | N/A |
| 36 | Left Parietal |
Confirmed EEG findings and changed surgical prognosis | Definite | Left parietal focal resection | Brain lesion: ganglioglioma with atypical features | 1 |
| 37 | Right Anterior Temporal |
Aided in surgical planning | Definite | Resection of temporal tip | Pathology Report Not Available | 1 |
Abbreviations -> b/l: bilateral; EEG: electroencephalography; N/A: not applicable; RNS: responsive neurostimulation; SEEG: stereo electroencephalography; sSOZ: Suspected Seizure Onset Zone; VNS: vagus nerve stimulation.