PMC9957122_01
Slightly hyperintense appearances in the cortical gyri of the occipital and frontal lobes on diffusion-weighted MRI
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A slightly hyperintense appearance was observed in the cortical gyri of the occipital and frontal lobes on diffusion-weighted magnetic resonance imaging (Figure 1).
Intermittently repeated slow delta-frequency waves in the frontal regions bilaterally on EEG.
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Long-term electroencephalography (EEG) recordings revealed repetitive slow delta frequency waves, prominent in the frontal regions of both hemispheres without evidence of seizures (Figure 2).
Diffuse cortical atrophy on the brain CT
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A computed tomography (CT) scan of the brain taken one year later revealed a neurodegenerative process and significant cortical atrophy (Figure 3).