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Diffuse Onset of Ictal Electroencephalography in a Typical Case of Panayiotopoulos Syndrome and Review of the Literature
1 Department of Pediatrics, Division of Child Neurology, "La Sapienza" University of Rome, Italy
* To whom correspondence should be addressed. E-mail: paola.iannetti{at}uniroma1.it.
Panayiotopoulos syndrome is a common and benign childhood autonomic epilepsy of debated localization. Although officially considered as occipital epilepsy, this is most likely of multifocal origin. Ictal electroencephalography is the gold standard of seizure localization, but in Panayiotopoulos syndrome, because patients have single or rare seizures, only 7 cases with ictal electroencephalography have been reported. Ictal onsets show variable anterior and more often posterior locations. We describe an 8-year-old girl with 5 nocturnal autonomic seizures typical of Panayiotopoulos syndrome from age 4. The last seizure was captured with electroencephalography and showed a diffuse onset of the ictal discharge, whereas various interictal electroencephalography had infrequent multifocal spikes. This case contributes to the understanding of the pathophysiology of Panayiotopoulos syndrome in favor of a diffuse and multifocal cortical epileptogenicity that triggers an unstable central autonomic nervous system solely or prior to the focal cortical symptoms
First published on December 10, 2008, doi:10.1177/0883073808325656 |
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