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Atypical absence seizure in 11-year-old boy with Lennox-Gastaut syndrome, multiform seizures, and severe learning disabilities (video-EEG)

Ictal EEG pattern is characterized by long-lasting slow generalized spike-wave discharge of 2 to 2.5 Hz. Clinically, there was fluctuating cloudiness of consciousness, staring, head nodding, and automatisms. (From: Panayiotopoulos CP. A clinical guide to epileptic syndromes and their treatment. Revised 2nd ed. London: Springer, 2010.)

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Associated Disorders

  • Angelman syndrome
  • Atypical benign partial epilepsy
  • Dravet syndrome
  • Epilepsy with myoclonic-atonic seizures
  • Epileptic encephalopathy with continuous spike-and-wave during sleep
  • Guanidinoacetate methyltransferase deficiency
  • Lennox-Gastaut syndrome
  • Prader-Willi syndrome