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FIG 2. Brain MR imaging of a healthy 46-year-old woman (case 3) uses the same scanning protocol as that of Fig 1.
A, There are grade 2 HPRs on the right and grade 3 on the left and grade 2 dorsolateral putaminal hypointensities.
B, FLAIR image demonstrates grade 1 HPR on left side only.
C, Signal intensity changes of bilateral HPR in A turn to negative findings. The dorsolateral putaminal hypointensities become brighter signals than those in A.
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