PMC4308063_01
Interictal EEG. (a) Slightly slow posterior dominant rhythm in 7-8 Hz and intermittent irregular slow waves in the bilateral parieto-occipital regions. (b) Multiregional independent spikes in bilateral hemispheres.
gr1.jpg
PMC4308063_01_gr1.jpg
f0005
Interictal EEG showed slightly slow posterior-dominant rhythm in 7-8 Hz; intermittent irregular slow waves in the bilateral parieto-occipital regions and multiregional independent spikes in bilateral hemispheres (Fig. 1).
Ictal EEG. An electroencephalographic seizure pattern starting at the left temporal region and then a rhythmic burst of fast activities starting at the right temporal region. The patient was conscious in this particular event, but the same pattern of EEG was observed while he exhibited consciousness disturbance in other complex partial seizures.
gr2.jpg
PMC4308063_01_gr2.jpg
f0010
Ictal EEG showed an electrographic seizure pattern starting at the left temporal region and then a burst of fast activities spreading to the other side (Fig. 2).
Brain MRI, FLAIR images at the age of 12 years. Note diffuse signal increase of deep white matter.
gr3.jpg
PMC4308063_01_gr3.jpg
f0015
Brain MRI showed diffuse signal increase of deep white matter on T2-weighted and FLAIR images (Fig. 3).