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J Neurosurg Sci. 2017 Sep 28. doi: 10.23736/S0390-5616.17.04186-8. [Epub ahead of print]

Ultrasound assisted awake epilepsy surgery for type IIB focal cortical dysplasia in eloquent areas.

Author information

1
Neurosurgery Unit, Department of Neurosciences, OCSAE Hospital, Azienda Ospedaliero-Universitaria di Modena, Modena, Italy - matteo.martinoni@gmail.com.
2
Department of Neuropathology, IRCCS Foundation Carlo Besta Neurological Institute, Milan, Italy.
3
Department of Biomedical, Metabolic and Neural Science, OCSAE Hospital, Azienda Ospedaliero-Universitaria di Modena, University of Modena and Reggio Emilia, Modena, Italy.
4
IRCCS Institute of Neurological Science of Bologna, Division of Neurology, Bellaria Hospital, Bologna, Italy.
5
IRCCS Institute of Neurological Science of Bologna, Division of Neurosurgery, Bellaria Hospital, Bologna, Italy.

Abstract

INTRODUCTION:

Focal cortical dysplasia (FCD) type IIb is a frequent cause of pharmacoresistant epilepsy. However, intraoperative identification of the pathological tissue still remains a challenge despite the use of neuronavigation, particularly when it lies in eloquent areas.

CASE REPORT:

We here report a case of intraoperative identification of a right frontal FCD type IIB through ultrasound assisted neuronavigation during awake surgery in a patient with drug-resistant epilepsy.

CONCLUSIONS:

Intraoperative ultrasound may have a role in focal cortical dysplasia localization optimizing its resection. In selected patient submitted to epilepsy surgery the integration of disposable technologies (i.e. brain neuronavigation, fMRI and iUS) with awake surgery could improve FCD identification preventing unacceptable neurological morbidity.

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