Age

18–90

Sex

ALL

Healthy volunteers

Not accepted

Age between 18 yrs and 90 yrs old with radiologically diagnosed GBM
Eligible for surgery according to standard practices. If suitable and necessary according to standard practices, awake surgery is also permitted.
Written Informed consent.

Inability to give consent because of or language barrier
Psychiatric history
Previous brain tumour surgery or radiotherapy
Severe aphasia or dysphasia
Patient has pacemaker or other implanted electrical device such as vagal nerve stimulator or other

Prognostic IntraOperative Biomarkers ideNtification in Tumor rElatEd suRgery