Table 1.
Summary of clinical information
| Gender/age (yr) | Scalp ictal EEG onset | MRI | Subdural electrode placement | Subdural ictal EEG onset | Latency between ictal EEG onset and clinical onset | Cortical resection | Surgical outcome |
|---|---|---|---|---|---|---|---|
| 1. M/1 | L P–C | Cortical tubers | L P–F–T | L P–F | 10–30 s | L P–F | Seizure-free |
| 2. M/5 | L F–C | Subcortical heterotopias | L F–P–T | L F | 2–5 s | L F | Seizure-free |
| 3. M/5 | L O–T–P | Pachygyria | L O–T–P–F | L O–T | Difficult to determine (insidious clinical onset) | L O–T–P | Rare residual seizures |
| 4. M/6 | Midline (Cz) | Normal | L F–P–T | L F | 2–5 s | L F | Seizure-free |
| 5. F/7 | L C–P | Normal | L P–T–F | L P | 10–30 s | L P–T | 50% Reduction |
| 6. F/8 | R F–C | Normal | R F–T–P | R F | <2 s | R F–T–P | Seizure-free |
| 7. M/9 | L F | Normal | L P–F–T | L F | <2 s | L F | Seizure-free |
| 8. F/9 | L C–P–T | Cortical tuber | L F–P–T | L F–P | <2 s | L F–P–T | >90% Reduction |
| 9. M/11 | Not detectable | Brain tumor | L F–P | L F | 5–30 s | Lesionectomy at L precentral gyrus | Seizure-free |
| 10. M/11 | R T | Brain tumor | R T–O–P–F | R T–O | 5–20 s | R T–O | Seizure-free |
| 11. M/12 | R F–C | Porencephaly | R F–T–P | R F | 5–20 s | R F–T | Seizure-free |
| 12. M/14 | R T–F | Normal | R T–P–F | R P | 2–5 s | R P–T | Seizure-free |
| 13. M/15 | R T | Polymicrogyria | R T–P–F | R T | Difficult to determine (insidious clinical onset) | R T–P | >90% Reduction |
| 14. M/16 | R Hemisphere | Infarction | R T–O–P–F | R O–T | 2–5 s | R Subtotal hemispherectomy | Seizure-free |
F, female; M, male; R, right; L, left; F, frontal, T, temporal; C, central; P, parietal; O, occipital.