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Magnetoencephalographic Analysis in a Case of Early-Onset Benign Childhood Occipital SeizuresOral Health Science Center Department of Paediatrics Ichikawa General Hospital Tokyo Dental College, sugita{at}tdc.ac.jp
Department of Neuropsychiatry Ichikawa General Hospital Tokyo Dental College
Department of Basic Medicine Faculty of Education Chiba University
Department of Neurospsychiatry Ichikawa General Hospital Toyko Dental College
Department of Paediatrics Ichikawa General Hospital Tokyo Dental College Chiba, Japan We report a 12-year-old boy who had one seizure comprising deviation of the eyes followed by impairment of consciousness for 30 minutes at the age of 6 years. No visual hallucination or ictal vomiting was observed. Interictal electroencephalography showed repetitive spikes and spike-wave discharges over the left occipital lobe. Magnetoencephalography revealed that the estimated dipoles were clustered in the left cuneus on magnetic resonance imaging, which corresponded to the area of peripheral vision and the associated visual cortex but not to the central visual cortex. Magnet o e n c e p h a l o g r a p h y i s a d v a n t a g e o u s f o r d e t e r m i n i n g the electrophysiologic mechanism of early-onset benign childhood occipital seizures. (J Child Neurol 2002; 17: 851—852).
Journal of Child Neurology, Vol. 17, No. 11,
851-852 (2002) |
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