E-ISSN 1309-4866
Research Article
Correlation of Electroencephalography and Magnetic Resonance Imaging in Patients with Mesial Temporal Sclerosis
1 Clinic of Neurology, Düzce Atatürk State Hospital, Düzce, Turkey  
2 Clinic of Neurology, Haydarpaşa Training and Research Hospital, İstanbul, Turkey  
3 Clinic of Neurology, Malkara State Hospital, Tekirdağ, Turkey  
Arch Neuropsychiatry ; : -
DOI: 10.5152/npa.2017.13783
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Key Words: Epilepsy, mesial temporal sclerosis, EEG-MRI correlation
Abstract

Introduction: to determine the lateralization of lesion by non-invasive methods through correlation of cranial magnetic resonance imaging (MRI) and electroencephalography (EEG) findings in patients with mesial temporal sclerosis (MTS).

 

Methods: This study included 40 patients (Age range, 19 to 55 years) among 1850 patients who were attending outpatient epilepsy clinic of Haydarpaşa Numune Hospital between the years 2000-2013. Exclusion criteria were surgery due to MTS, metabolic and systemic disorders, indefinite diagnosis, and inadequate MRI and EEG evaluations.

 

Results: EEG findings were within normal limits in 10 (25%) patients who had mesial temporal sclerosis on MRI. Of these, 5 patients had right MTS, 4 patients had left MTS, and one patient had bilateral MTS.

 

Conclusion: In this study, we used electrophysiological diagnostic methods together with MR imaging to determine epileptogenic localization in patients with mesial temporal sclerosis. We suggest that when correlated with MRI, EEG is a non-invasive, easy method to identify lateralization findings.

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