Childhood temporal lobe epilepsy: correlation between electroencephalography and magnetic resonance spectroscopy: a
Seham Fa Azab1, Laila M Sherief2, Safaa H Saleh3
1Faculty of Medicine, Zagazig University, 18 Omar Bin Elkhattab St, Al Qawmia, Zagazig City, Sharkia Governorate, Egypt. Seham_Azab@yahoo.com.
Insights
Magnetic resonance spectroscopy (MRS) shows promise in diagnosing epilepsy, accurately lateralizing the seizure focus in 82.5% of pediatric temporal lobe epilepsy patients, outperforming EEG and MRI.
Area of Science:
- Neurology
- Pediatric Neurology
- Neuroimaging
Background:
- Early epilepsy diagnosis in children is crucial for treatment success and preventing complications like learning and behavioral issues.
- Temporal lobe epilepsy (TLE) is a common form of childhood epilepsy requiring accurate lateralization for effective management.
- Assessing advanced neuroimaging techniques for improved diagnostic accuracy in pediatric epilepsy is essential.
Purpose of the Study:
- To evaluate the efficacy of magnetic resonance spectroscopy (MRS) in determining the lateralization of epileptic foci in children with TLE.
- To compare the lateralization ability of MRS with electroencephalography (EEG) and magnetic resonance imaging (MRI) in pediatric TLE.
Main Methods:
- A case-control study involving 40 children (8-14 years) with TLE and 20 healthy controls.
- All participants underwent clinical examination, interictal EEG, MRI, and proton magnetic resonance spectroscopy (MRS).
- Patients were categorized based on EEG findings into unitemporal, bitemporal, or normal focus groups.
Main Results:
- MRS successfully lateralized the epileptic focus in 82.5% of TLE patients, significantly higher than EEG (50%) and MRI (57.5%).
- MRS demonstrated higher sensitivity in detecting temporal pathology compared to conventional MRI.
- In unitemporal TLE, MRS achieved 82.5% lateralization accuracy.
Conclusions:
- Magnetic resonance spectroscopy (MRS) is a valuable and sensitive tool for evaluating pediatric epilepsy.
- MRS offers superior diagnostic capabilities for lateralizing temporal lobe epilepsy compared to EEG and MRI.
- MRS can detect subtle temporal pathologies not evident on standard MRI, aiding in early and accurate diagnosis.
Background:
The diagnosis of epilepsy should be made as early as possible to give a child the best chance for treatment success and also to decrease complications such as learning difficulties and social and behavioral problems. In this study, we aimed to assess the ability of magnetic resonance spectroscopy (MRS) in detecting the lateralization side in patients with Temporal lobe epilepsy (TLE) in correlation with EEG and MRI findings.
Methods:
This was a case-control study including 40 patients diagnosed (clinically and by EEG) as having temporal lobe epilepsy aged 8 to 14 years (mean, 10.4 years) and 20 healthy children with comparable age and gender as the control group. All patients were subjected to clinical examination, interictal electroencephalography and magnetic resonance imaging (MRI). Proton magnetic resonance spectroscopic examination (MRS) was performed to the patients and the controls.
Results:
According to the findings of electroencephalography, our patients were classified to three groups: Group 1 included 20 patients with unitemporal (lateralized) epileptic focus, group 2 included 12 patients with bitemporal (non-lateralized) epileptic focus and group 3 included 8 patients with normal electroencephalography. Magnetic resonance spectroscopy could lateralize the epileptic focus in 19 patients in group 1, nine patients in group2 and five patients in group 3 with overall lateralization of (82.5%), while electroencephalography was able to lateralize the focus in (50%) of patients and magnetic resonance imaging detected lateralization of mesial temporal sclerosis in (57.5%) of patients.
Conclusion:
Magnetic resonance spectroscopy is a promising tool in evaluating patients with epilepsy and offers increased sensitivity to detect temporal pathology that is not obvious on structural MRI imaging.
More Related Videos
09:57Author Spotlight: Advancing Pediatric Epilepsy Surgery in Children Through Novel Biomarkers and Enhanced Localization
Published on: September 20, 2024
09:32Network Analysis of Foramen Ovale Electrode Recordings in Drug-resistant Temporal Lobe Epilepsy Patients
Published on: December 18, 2016