Publication: Magnetic resonance imaging of the brain in epileptic adult patients: experience in Ramathibodi Hospital.
Issued Date
2007-04-01
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ISSN
01252208
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2-s2.0-36048995411
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of the Medical Association of Thailand = Chotmaihet thangphaet. Vol.90, No.4 (2007), 762-773
Suggested Citation
Anusorn Solosrungruang, Jiraporn Laothamatas, Yotin Chinwarun Magnetic resonance imaging of the brain in epileptic adult patients: experience in Ramathibodi Hospital.. Journal of the Medical Association of Thailand = Chotmaihet thangphaet. Vol.90, No.4 (2007), 762-773. Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/24926
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Title
Magnetic resonance imaging of the brain in epileptic adult patients: experience in Ramathibodi Hospital.
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Abstract
OBJECTIVE: The purpose of the present study was to classify the imaging structural abnormalities of epileptic adult patients referred for magnetic resonance imaging (MR imaging) of the brain at Ramathibodi Hospital and to correlate with the clinical data and EEG. MATERIAL AND METHOD: MR imaging of 91 adult epileptic patients (age ranging from 15-85 years old with an average of 36.90 years old) were retrospectively reviewed and classified into eight groups according to etiologies. Then clinical data and EEG correlations were analyzed using the Kappa analysis. All of the MR imaging of the brain were performed at Ramathibodi Hospital from January 2001 to December 2002. RESULTS: Secondary generalized tonic clonic seizure was the most common clinical presenting seizure type. Extra temporal lobe epilepsy was the most common clinical diagnosis. Of the thirty-three patients who underwent EEG before performing MR imaging, 17 had normal EEG From MR imaging, temporal lobe lesion was the main affected location and mesial temporal sclerosis (MTS) was the most common cause of the epilepsy in patients. For age group classification, young adult (15-34 years old) and adult (35-64 years old) age groups, MTS was the most common etiology of epilepsy with cortical dysplasia being the second most common cause for the first group and vascular disease for the latter group. For the older age group (> 64 years old), vascular disease and idiopathic cause were equally common etiologies. MRI, EEG findings, and clinical data were all concordant with statistical significance. CONCLUSION: MRI is the non-invasive modality of choice for evaluation of the epileptic patients. The result is concordant with the clinical and EEG findings. It can detect and localize the structural abnormality accurately and is useful in the treatment planning.