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Abstract #3116

Quadrimodal localisation of epileptic focus using simultaneous EEG, MRI and PET imaging

Frdric Grouiller 1 , Suzanne Heinzer 2 , Bndicte Delattre 1,2 , Franois Lazeyras 1 , Giannarita Iannotti 3,4 , Laurent Spinelli 3 , Francesca Pittau 3 , Margitta Seeck 3 , Osman Ratib 1 , Maria Isabel Vargas 1 , Valentina Garibotto 1 , and Serge Vullimoz 3

1 Department of Radiology and Medical Informatics, Geneva University Hospital, Geneva, Switzerland, 2 Philips AG Healthcare, Zrich, Switzerland, 3 EEG and Epilepsy Unit, Department of Neurology, Geneva University Hospital, Geneva, Switzerland, 4 Functional Brain Mapping Laboratory, University of Geneva, Geneva, Switzerland

We report the feasibility to record in a single session combined EEG-PET, MRI, EEG-fMRI and ESI using high-density EEG and a PET-MRI hybrid scanner. This whole multimodal procedure could be performed in less than two hours with good patient comfort. This single-session quadrimodal imaging could be of great interest for epilepsy presurgical mapping and may replace four separated exams usually performed to identify the epileptic focus. It may improve significantly the patient workflow in epilepsy unit and reduce the cost of presurgical epilepsy evaluations.

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