Usefulness of intraoperative insular electrocorticography in modified functional hemispherectomy

BMC Neurology

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

Patient	Seizure		Past surgery	Scalp EEG		MRI	FDGPET	SPM PET	SISCOM
	Onset age, year	Frequency (per week)		Scalp EEG
	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	-	-

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

ISSN: 1471-2377