PMC4244768_01
Axial T1, T2 images of an unenhanced MRI do not showany abnormality
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F1
As his first MRI [Figure 1] was normal, the antiepileptic medicines were subsequently withdrawn.
Axial, coronal, and sagittal images of a plain CT head show gyriform calcification in the right parietal cortex. Associated volume loss in the parietal lobe is noted
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F2
A recent brain computed tomography (CT) [Figure 2] showed gyral calcification over the right parietal cortex.
Axial, coronal, and sagittal images of a contrast-enhanced MRI reveal focal enhancement with the right parietal sulci
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F3
A recent MRI [Figure 3] showed focal cortical atrophy over the right parietal region and the gadolinium contrast revealed leptomeningeal angioma over the same region.
Axial CT angiogram source images and reconstructed CT angiogram images do not reveal any arteriovenous malformation
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F4
The CT angiogram [Figure 4] did not show any venous or arterial malformation.