PMC6267726_01
First brain MRI.. Note: Left occipital lobe lesion showed abnormal T1 hypointensities (A), T2 (B), and FLAIR (C) hyperintensities.. Abbreviation: FLAIR, flow attenuated inversion recovery.
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T1 and T2 signals, and high signals on flow attenuated inversion recovery (FLAIR) sequence (Figure 1) as well as a slightly increased signal on diffusion weighted imaging (DWI). The brain magnetic resonance angiography was normal.
Subsequent brain MRI.. Note: Lesions with abnormally high signals on FLAIR (A) and DWI (B) with poorly defined margins along the gyri in the left occipital-temporal lobe, which was slightly enhanced after gadolinium enhancement (C).. Abbreviations: DWI, diffusion weigh imaging; FLAIR, flow attenuated inversion recovery.
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The patient underwent another MRI showing lesions with abnormally high signals on FLAIR and DWI with poorly defined margins along the gyri in the left occipital-temporal lobe, which was slightly enhanced after gadolinium enhancement (Figure 2).