Patient Characteristics and Surgical Outcome
| Sex (F/M) | Age at Surgery (y)* | Age at Clinical Onset (y)* | Seizure Duration (y)* | No. of Seizures per month* | Surgical Outcome Engel Class Ia† | |
|---|---|---|---|---|---|---|
| Whole series (n = 49) | 27/22 | 2–42 (24 ± 11) | 0–26 (6 ± 7) | 1–42 (17 ± 10) | 1–600 (69 ± 117) | 25 (51) |
| Histologic TFCD (n = 15) | 7/8 | 2–35 (19 ± 11) | 0–22 (6 ± 7) | 2–27 (13 ± 8) | 1–400 (97 ± 103) | 11 (73) |
| Histologic CD (n = 6) | 3/3 | 4–42 (20 ± 16) | 0–26 (6 ± 10) | 1–42 (14 ± 16) | 1–300 (152 ± 139) | 2 (33) |
| Histologic AD (n = 28) | 17/11 | 2–41 (27 ± 9) | 0–24 (7 ± 6) | 2–34 (20 ± 8) | 1–600 (39 ± 112) | 12 (43) |
* Data are ranges. Numbers in parentheses are the mean ± SD.
† Data are number (%) of patients seizure free at ≥1 year.
Note.—TFCD indicates Taylor’s FCD; CD = cytoarchitectural dysplasia; AD = architectural dysplasia.