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Table 2 Characteristics of patients who had electrographic seizures on insular cortex during post-resection electrocorticography

From: Usefulness of intraoperative insular electrocorticography in modified functional hemispherectomy

Patient Seizure Past surgery Scalp EEG MRI FDGPET SPM PET SISCOM
Onset age, year Frequency (per week)
Interictal Ictal
1 0.2 14 None Lt/H Lt/T, Lt/F Hemi-megalencephaly Lt/H Lt/H Lt/H
2 1.5 21 Rt/T lobectomy Rt/F Rt/H Diffuse MCD Rt/H Rt/H -
3 2.0 21 None Rt/FC Rt/FC Diffuse MCD Rt/H Rt/H -
4 5.0 70 None Lt/H Lt/H Rasmussen encephalitis Lt/H - -
5 0.1 70 Brain tumor resection after birth Lt/H Lt/H Diffuse MCD Lt/H - -
  1. EEG electroencephalography, FDG PET 18 fluoro-2-deoxyglucose positron emission tomography scan, MRI magnetic resonance imaging, SPM statistical parametric mapping, SISCOM Subtraction ictal SPECT co-registered to MRI, Lt Left, Rt Right, H hemisphere, F frontal, T temporal, FC fronto-central, MCD malformations of cortical development, − not available