Affiliation(s)
1. Faculty of Medical Sciences, Lebanese University, Hadath Baabda 1003, Lebanon
2. Imaging Department, Mount Lebanon Hospital, Hazmieh 1107, Lebanon
3. Epilepsy monitoring unit, Department of Neurology, Lebanese Geitaoui University Hospital, Achrafieh Beirut 1100, Lebanon
4. Doctoral School of Science and Technology, Lebanese University, Hadath Baabda 1003, Lebanon
ABSTRACT
There have been many advances in the diagnosis and management of focal epilepsies particularly with
neuroimaging techniques and magnetic resonance imaging (MRI). Special MRI
sequences can be employed to localize and resect the epileptogenic lesions
responsible for focal epilepsy. This study aims to show the benefit of dedicated
epilepsy MRI sequences in the diagnosis of focal epilepsies. A general electric
1.5 Tesla MRI machine was used with standard and special sequences. Also, a
Nihon Kohden electroencephalography (EEG) machine was used. This is a prospective
observational study that included 51 patients with focal epilepsies who had an
initial negative brain imaging. They underwent epilepsy MRI sequences along
with a prolonged video EEG monitoring to localize the lesion, and then results
were analyzed statistically using SPSS 22 program. The majority of patients were males (62.75%) with a mean age of 30
years. The grand majority of patients (74.5%, p value of 0.001) had their lesion localized by the epilepsy MRI.
The most commonly found pathology was mesial temporal sclerosis. A significant
number of patients (23.5%) were sent for an epilepsy surgery (p value 0.002). This study shows the significant impact of dedicated epilepsy MRI
sequences on the diagnosis and management of focal epilepsy in the Lebanese
population.
KEYWORDS
Epilepsy, magnetic resonance imaging, dedicated sequences, focal, epileptogenic
lesions, hippocampal sclerosis, cortical dysplasia.
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