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Cognitive and functional status in late onset Lennox-Gastaut syndrome: variation on a classic phenotype

Congratulations to Dr. Kalamangalam on the publication of “Cognitive and functional status in late onset Lennox-Gastaut syndrome: variation on a classic phenotype,” in Epilepsy & Behavior.

 

Summary

 

Lennox-Gastaut syndrome (LGS) denotes a refractory epileptic encephalopathy of childhood onset with the triad of generalized slow spike-wave on inter-ictal scalp electroencephalogram (EEG), multiple seizure types and intellectual impairment. The neurobiology of LGS is said to sustain abnormal patterns of brain activity and connectivity that ultimately impair normal cerebral developmental mechanisms. However, we describe eight patients from our combined practice who presented with electro-clinical findings consistent with LGS but without significant cognitive impairment. All patients fulfilled the other criteria of LGS with multiple seizure types (three or more of generalized tonic-clonic, atonic, tonic, myoclonic and atypical absence) and generalized slow spike-wave activity on EEG. Four subjects completed high school, two completed some college, two acquired college degrees and all performed basic and instrumental activities of daily living independently. Magnetic resonance imaging was normal in all patients. We speculate that a variation of the classic phenotype of LGS can present with preserved cognitive and functional status, often with onset in the second decade of life, and associated with normal brain imaging.



from Department of Neurology » College of Medicine » University of Florida https://ift.tt/2r0HAGD

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