MR lesion type and seizure outcome
| Outcome/Engel IA Class | ||
|---|---|---|
| MR with lesion | ||
| Hippocampal sclerosis | 104 (50%) | 65/93 (70%) |
| Ectopic white matter neurons | 3 (1%) | 2/3 (66%) |
| FCD with balloon cells | 17 (8%) | 13/16 (81%) |
| FCD without balloon cells | 5 (2%) | 2/4 (50%) |
| Polymicrogyria | 1 (0.5%) | 0/1 (0%) |
| Ganglioglioma | 21 (10%) | 15/21 (71%) |
| DNT | 10 (5%) | 7/9 (78%) |
| PXA | 4 (2%) | 3/3 (100%) |
| Glioma II, III | 8 (6%) | 6/7 (86%) |
| Cavernoma | 15 (7%) | 11/15 (73%) |
| Hemimegalencephaly | 2 (1%) | 1/2 (50%) |
| Meningeoangiomatosis | 1 (0.5%) | 1/1 (100%) |
| Ulegyria, cortical, or glial scar | 9 (4%) | 3/9 (33%) |
| Tuber cinereum hamartoma | 2 (1%) | 1/2 (50%) |
| MR without lesion | ||
| NAD | 1 | 0/1 |
| Reactive gliosis | 6 | 3/6 |
| Ectopic white matter neurons | 2 | 2/2 |
Note.—NAD indicates nothing abnormal detected.