PMC9491239_01
Brain MRI showing the broadened bilateral frontotemporal extracerebral space, which is especially apparent on the left side.
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F1
A brain magnetic resonance imaging (MRI) showed that the bilateral frontotemporal extracerebral space was broadened, especially on the left side (Figure 1).
EEG of the patient diagnosed with developmental and epileptic encephalopathy 91 at ages of 2 months (A), 2 and a half months (B), and one year and four months (C).
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F2
A follow-up EEG showed modified hypsarrhythmia during sleep (Figure 2C).
PMC9491239_02
EEG of the patient diagnosed with developmental and epileptic encephalopathy 91 at ages of 2 months (A), 2 and a half months (B), and one year and four months (C).
fneur-13-889167-g0002.jpg
PMC9491239_02_fneur-13-889167-g0002.jpg
F2
A follow-up EEG showed modified hypsarrhythmia during sleep (Figure 2C).