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Journal of the Korean Child Neurology Society 2003;11(1):61-67.
Published online May 30, 2003.
Comparative Study for the Diagnostic Usefulness of Brain MRI and CT in Children with Seizure.
Su A Shin, Dong Koo Kim, Hyun Kyung Park, Nam Su Kim, In Joon Seol
Department of Pediatrics, College of Medicine, Hanyang University, Seoul, Korea. injoon@hmc.hanyang.ac.kr
Abstract
PURPOSE
This study was performed to know and compare the diagnostic usefulness of Magnetic Resonance Imaging(MRI) and Computed Tomography(CT) for the evaluation of patients with seizure. METHODS: We studied retrospectively 96 children who visited Hanyang University Hospital due to seizure and took a brain CT between January 1996 and June 1999, and 60 children who visited Hanyang University Hospital due to seizure and took a brain MRI between June 1999 and March 2002. All children who were enrolled in this study divided into few groups according to seizure type and EEG findings. RESULTS: Among 96 children who took a brain CT, 12 patients had brain abnormalities on CT, and among 60 children took a brain MRI, 13 patients had brain abnormalities on MRI. Abnormalities on CT were more frequently seen in children with focal seizure and/or focal abnormalities on EEG, but contrarily in MRI, abnormalities were more frequently seen in children with generalized seizure. CONCLUSION: Even the MRI is more expensive to be taken than the CT, MRI isrecommended when there is a need to evaluate the causes of seizures even for thepatients with generalized seizure as a result of our study.
Key Words: Magnetic resonance imaging, Computed tomography, Diagnostic usefulness, Generalized seizure


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