Table 2.
Major histopathologic disease categories among children
| Pathological type | Number of cases | Sex | Mean age at epilepsy onset/range | Mean age at surgery/range | Mean duration of epilepsy before surgery/range | Outcome (prognostic rate) (%) | |
|---|---|---|---|---|---|---|---|
| M | F | ||||||
| FCD I | 26 | 15 | 11 | 2.3/0−3–10.8 | 7.1/2.3–14.0 | 4.8/0.2–13.5 | 73.07 |
| FCD II | 41 | 27 | 14 | 2.0/0.1–11.9 | 6.1/1.6–14.0 | 4.1/0.1–11.9 | 82.93 |
| Hippocampal sclerosis | 13 | 8 | 5 | 2.8/0.1–8.0 | 8.3/6.3–12.4 | 5.5/3.5–9.5 | 84.61 |
| Tumor | 42 | 27 | 15 | 4.0/0.1–13.0 | 7.6/5.0–14.0 | 3.6/0.1–13.0 | 85.71 |
| GG | 40 | 26 | 14 | 4/0.1–13.0 | 7.7/5.0–14.0 | 3.7/0.1–13.0 | |
| DNT | 1 | 1 | 0 | 1.2 | 7 | 5.8 | |
| AG | 1 | 0 | 1 | 1 | 3 | 2.0 | |
| Glial scar | 29 | 21 | 8 | 1.2/0.2–12.3 | 9.6/1.1–25.3 | 8.4/0.9–13.0 | 72.41 |
| Encephalitis | 27 | 15 | 12 | 1.6/0.2–12.0 | 8.8/1.2–24.5 | 7.2/1.0–12.5 | 70.37 |
| No obvious pathological abnormality | 23 | 12 | 11 | 4.5/0.2–13.3 | 11.1/1.3–26.8 | 6.6/1.1–13.5 | 69.56 |
Abbreviations: AG, angiocentric glioma; DNT, dysembryoplastic neuroepithelial tumor; F, female; GG, ganglioglioma; M, male.