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Lennox-Gastaut syndrome

Lennox-Gastaut syndrome is a form of refractory childhood-onset epilepsy and is often accompanied by developmental delay and psychological/ behavioral problems. An electroencephalogram (EEG) often shows a slow spike and wave pattern.


It often appears between the 2nd and 6th years of life and thereafter is characterized by frequent seizures (up to 200 times an hour 4) of multiple types.


History and etymology

It is named after William G Lennox (1884-1960), a US neurologist, and Henri Gastaut (1915-1995)a French neurologist 4,5.

Article information

rID: 12627
Section: Syndromes
Synonyms or Alternate Spellings:
  • Lennox-Gastaut syndrome (LGS)
  • Lennox Gastaut syndrome

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Cases and figures

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  • Case 2
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