PMC6286771_01
Case No. 1. Flair sequences showing multiple areas of hyperintensity in left thalamus and occipital and frontal lobes, extended to grey matter of the cortex.
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fig1
T2, DWI, and Flair sequences, which did not show contrast-enhancement, involving not only posterior areas but also frontal lobes and right thalamus [Figures 1 and 2].
Case No. 1. DWI sequences (upper images) and ADC maps (lower images) showing diffusion restriction in left thalamus and mild signal hyperintensity in the same areas described in Figure 1.
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fig2
T2, DWI, and Flair sequences, which did not show contrast-enhancement, involving not only posterior areas but also frontal lobes and right thalamus [Figures 1 and 2].
PMC6286771_02
Case No. 2. Flair sequences showing alterations of signal in the white matter and cortex of the right temporal lobe and in both parietal and occipital lobes.
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MR-Angiography did not show vascular abnormalities [Figure 3].
Case No. 2. One-month follow-up brain MR. Flair sequences showing alterations of signal in the white matter and cortex of the left temporal and occipital lobes and, to a lesser extent, of the right occipital lobe.
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fig4
One month after admission, brain MRI showed a partial regression of signal alterations in T2 and Flair sequences, with persisting hyperintensities only in left temporal and occipital lobes and, to a lesser extent, in the right occipital lobe [Figure 4].