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MR images of the CST in the centrum semiovale.
A and B, Control subject. Hyperintensity on FLAIR image (arrows in A) and hypointensity on T1-weighted SE MTC image (arrows in B) in the region of the CST in the centrum semiovale.
C–E, Patient with definite ALS. FLAIR image is unremarkable (C). Pathologic hyperintensity in the regions of the centrum semiovale, periventricular regions on T1-weighted SE MTC images (arrows in D and E).
