case_images: PMC6475548_01
case_images: Plain CT of the brain at presentation to the hospital showing patchy and gyriform calcification in bilateral temporoparietal occipital corticosubcortical areas. Abbreviation: CT, computed tomography.
case_images: CRINM2019-5247961.001.jpg
case_images: PMC6475548_01_CRINM2019-5247961.001.jpg
case_images: fig1
case_images: The computed tomography (CT) of the patient's brain showed bilateral scattered corticosubcortical parietooccipitotemporal calcification with no oedema or mass effect (Figure 1).
case_images: Periictal brain MRI DWI showing gyriform hyperintense signal over the left occipital cortex. Abbreviations: DWI, diffusion-weighted image; MRI, magnetic resonance imaging.
case_images: CRINM2019-5247961.002.jpg
case_images: PMC6475548_01_CRINM2019-5247961.002.jpg
case_images: fig2
case_images: The brain MRI with and without contrast showed diffusion-weighted imaging (DWI) restriction over bilateral occipital cortex (more so over the left side) in a gyriform pattern (Figure 2) with concordant area of apparent diffusion coefficient (ADC) hypointensity (Figure 3).
case_images: Periictal brain MRI ADC mapping showing bilateral occipital hypointense signal alteration (left>right). Abbreviations: ADC, apparent diffusion coefficient; MRI, magnetic resonance imaging.
case_images: CRINM2019-5247961.003.jpg
case_images: PMC6475548_01_CRINM2019-5247961.003.jpg
case_images: fig3
case_images: The brain MRI with and without contrast showed diffusion-weighted imaging (DWI) restriction over bilateral occipital cortex (more so over the left side) in a gyriform pattern (Figure 2) with concordant area of apparent diffusion coefficient (ADC) hypointensity (Figure 3).
case_images: Periictal brain MRI with contrast showing no corresponding area of enhancement. Abbreviation: MRI, magnetic resonance imaging.
case_images: CRINM2019-5247961.004.jpg
case_images: PMC6475548_01_CRINM2019-5247961.004.jpg
case_images: fig4
case_images: T1-weighted imaging with contrast showed no contrast uptake (Figure 4), and we saw no oedema or mass effect.
case_images: Periictal brain MRI SWAN image: showing gyriform hyperintense signal abnormality over bilateral occipital cortex. Abbreviations: MRI, magnetic resonance imaging; SWAN, susceptibility weighted angiography.
case_images: CRINM2019-5247961.005.jpg
case_images: PMC6475548_01_CRINM2019-5247961.005.jpg
case_images: fig5
case_images: Susceptibility weighted magnetic resonance sequences (susceptibility weighted imaging [SWI], susceptibility weighted angiography [SWAN]) demonstrated hyperintensity corresponding to the area of DWI restriction (Figure 5).
case_images: Postictal plain CT of the brain showing no interval abnormality compared to the CT of the brain upon presentation. Abbreviation: CT, computed tomography.
case_images: CRINM2019-5247961.006.jpg
case_images: PMC6475548_01_CRINM2019-5247961.006.jpg
case_images: fig6
case_images: A second brain CT after 1 month (Figure 6) showed no interval change compared to the initial CT and no evidence of residual changes observed in MRI (DWI, ADC, and SWI).