Coronal FLAIR images (A–C) document decreasing left hippocampal mass effect and signal intensity over 5-year period (black arrowhead). Coronal FLAIR images.

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High-signal-intensity lesions on T2-weighted MR images
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Sagittal T1-weighted (A) and coronal T2-weighted (B) MR images show the frontoparietal intracalvarial mass lesion that was hypointense on T1-(A) and hyperintense.
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MR images show capsular and cortical lesions (panels 6 and 7); schematic distributions of the lesions are presented. MR images show capsular and cortical.
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Marked progression of PML documented by serial MR studies
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A 21-year-old woman with a right sensory-motor deficit and aphasia for 60 minutes. A 21-year-old woman with a right sensory-motor deficit and aphasia for.
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Coronal FLAIR images (A–C) document decreasing left hippocampal mass effect and signal intensity over 5-year period (black arrowhead). Coronal FLAIR images (A–C) document decreasing left hippocampal mass effect and signal intensity over 5-year period (black arrowhead). In panel C, early cortical atrophy is evident. Evolving right medullary lesion (white arrow) and progressive contralateral cerebellar atrophy is seen on axial T2-weighted images (D–F). Yonung Min Song et al. AJNR Am J Neuroradiol 2004;25:807-808 ©2004 by American Society of Neuroradiology