Table 2 Demographic data of investigated patients.

Patient group size

25 patients

Age at the surgery/measurement

Median (years)

30 (min–max, 17–50)

Sex

16 males, 9 females

Localization of surgery

Side

Lobe

18 right, 7 left

TLE in 9 patients, FLE in 10, ILE in 2, OE in 4

Outcome according to ILAE classification

11 × ILAE 1, 1 × ILAE 2, 2 × ILAE 3, 9 × ILAE 4, 2 × ILAE 5

Inclusion of ILAE class 3–5 was based on epileptogenic histopathology finding

Histology

15 × FCD (2 × IA, 1 × IB, 8 × IIA, 2 × IIB, 1 × IIIA, 1 × unclear), 5 × HS, 4 × negative, 1 × meningioangiomatosis

Patients with negative histological findings were included because of positive surgical outcomes

Surgery size median (cm³)

21 (min–max, 4–52)

Age at epilepsy onset

Median (years)

9 (min–max, 0–26)

Duration of epilepsy before surgery/measurement

Median (years)

21 (min–max, 3–47)