Document Detail

Magnetoencephalographic findings of Panayiotopoulos syndrome with frontal epileptic discharges.
MedLine Citation:
PMID:  17352956     Owner:  NLM     Status:  MEDLINE    
We previously reported the results of a magnetoencephalographic study in patients with Panayiotopoulos syndrome manifesting occipital epileptic discharges, in which the equivalent current dipoles of spike discharges were clustered alongside the major cortical sulci, such as parieto-occipital and calcarine. This report is the result of a magnetoencephalographic study of three patients with Panayiotopoulos syndrome exhibiting equivalent current dipoles clustering in the frontal area. Patient 1, a 13-year-old male, exhibited clustering equivalent current dipoles alongside right inferior frontal sulcus, but the orientations were irregular. Patient 2 is an 11-year-old younger brother of Patient 1, whose magnetoencephalograph revealed equivalent current dipoles clustering alongside right prefrontal sulcus and regular orientations. Patient 3 is a 10-year-old female who had equivalent current dipoles clustering alongside right superior frontal sulcus and extremely regular orientations. The locations of clustering equivalent current dipoles of frontal spike discharges were not restricted to one specific frontal sulcus but were present in various locations over the convexity of the prefrontal area. In conclusion, these findings suggest that it is inappropriate to classify Panayiotopoulos syndrome as occipital epilepsy. In addition, the result of this study, that frontal spike discharges seem to occur in relatively older patients, may suggest a correlation between brain maturation and spike occurrence.
Naka Saitoh; Osamu Kanazawa; Jun Tohyama; Noriyuki Akasaka; Takanori Kamimura
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Pediatric neurology     Volume:  36     ISSN:  0887-8994     ISO Abbreviation:  Pediatr. Neurol.     Publication Date:  2007 Mar 
Date Detail:
Created Date:  2007-03-13     Completed Date:  2007-05-15     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8508183     Medline TA:  Pediatr Neurol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  190-4     Citation Subset:  IM    
Department of Pediatrics, Epilepsy Center, Nishi-Niigata Chuo National Hospital, Niigata, Japan.
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MeSH Terms
Epilepsy, Complex Partial / physiopathology*
Frontal Lobe / physiopathology*
Occipital Lobe / physiopathology
Ocular Motility Disorders

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