PMC4150631_01
A) Interictal EEG of our patient showing a typical discharge of right frontal/frontotemporal distribution. B) Ictal EEG with right frontal/frontotemporal onset.
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The study revealed strictly unilateral, right-sided interictal sharp wave activity localized over the frontotemporal region (Fp2/F4/F8) (Fig. 1A). Several typical seizures were recorded with semiology similar to his preoperative ones and an ictal EEG correlate consisting of semirhythmic 2- to 3-Hz repetitive sharp waves evolving to 3- to 4-Hz sharply contoured waves, with a broad right anterior quadrant distribution closely resembling the preoperative ictal EEG (Fig. 1B).