PMC2799998_01
Brain MRI of the patient. T2-weighted images (A) show ovoid, bright high signal lesions (white arrows) in the right thalamus. The same lesions are shown on FLAIR images (B) and diffusion-weighted images (C). T2-weighted images taken 6 yr prior to this presentation (D) show high signal lesions in both thalami and their adjacent areas.
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F1
Brain magnetic resonance imaging (MRI) showed high signal lesions on both thalami (Fig. 1D). Previous lesions on the left thalamus disappeared (Fig. 1A-C).