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Hyperkinetic seizure in a patient with frontal medial lesion

(A) Hyperkinetic seizure recorded during prolonged video-EEG. The seizure starts during sleep. The patient has sudden extension of the arms and evolves with high amplitude movements of the legs and arms. (B) Example of EEG at the beginning of an ictal event, which shows no abnormalities. (C) Brain MRI (first row) showed a possible epileptogenic lesion in the medial frontal region (red arrows). FDG-PET (second row) demonstrated an area of hypometabolism in the same region. (Contributed by Dr. Fernando Cendes.)

Associated Disorders

  • Autosomal dominant nocturnal frontal lobe epilepsy
  • Nocturnal frontal lobe epilepsy