PMC10331237_01
Brain MRI of the patient was normal (Upper row: Axial T2-weighted sequences, Lower row: Axial FLAIR sequences).. MRI: Magnetic resonance imaging; FLAIR: Fluid-attenuated inversion recovery.
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F1
Brain computerized tomography (CT), magnetic resonance imaging (MRI), and MRI-venography were normal (Fig. 1).
EEG trace shown in the longitudinal bipolar montage; sensitivity: 7 muV; low-frequency filter: 0.3 Hz; high-frequency filter: 35 Hz. Speed: 10 s/page. A generalized slow background activity with low voltage and delta waves was observed in left hemisphere derivatives, more prominent in the left frontotemporal and central areas without any epileptiform discharge.. EEG: Electroencephalogram.
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F2
Delta waves were observed in the left frontotemporal and central areas (Fig. 2).