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FIG 1. Initial MR images obtained in a 67-year-old man with hypertension.
A, B, Fast FLAIR images show an extensive brain stem lesion. The dentate nucleus is also involved.
C, Fast FLAIR image shows periventricular hyperintensities.
D, Trace LSDWI (b = 1000 s/mm2) shows isointensity in the brain stem.
E, Corresponding ADC map shows increased diffusion in the brain stem lesions (1.04 ± 0.04 x 10–3 mm2/s), indicating vasogenic edema.
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