PMC9981862_01
CT of the brain without contrast.. The arrows signal hypoattenuation of the parietal and occipital regions.. CT = computed tomography
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FIG1
CT scan of the head was ordered which showed fairly symmetric parenchymal hypoattenuation involving cortical and subcortical white matter in the bilateral parietal and occipital lobes as well as the bilateral cerebellar hemispheres (Figure 1).
MRI T2/FLAIR image.. The arrows signal hyperintensity in the bilateral parietal and occipital lobes.. MRI = magnetic resonance imaging; T2/FLAIR = T2-weighted/fluid-attenuated inversion recovery
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FIG2
T2/fluid-attenuated inversion recovery (FLAIR) prolongation involving the cortex and subcortical white seen in the bilateral parietal and occipital lobes and the cerebellar hemispheres (Figure 2).
CTA of the head and neck: coronal view.. The image shows no large-vessel occlusion, aneurysm, or vascular malformation.. CTA = computed tomography angiography
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FIG3
Computed tomography angiography (CTA) of the head and neck showed no large-vessel occlusion, aneurysm, or vascular malformation (Figures 3, 4).
Sagittal view of the CTA of head and neck.. CTA = computed tomography angiography
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FIG4
Computed tomography angiography (CTA) of the head and neck showed no large-vessel occlusion, aneurysm, or vascular malformation (Figures 3, 4).