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MR images of new T2 nonenhancing lesions (< 0.7 years old) in a 42-year-old man with MS. A, T1WI + Gd. B, T2WI. C, QSM. D, R2*. More than 3 new nonenhancing lesions (arrows) are found by comparing with the former MR imaging 0.7 years ago. All of them appear QSM hyperintense (C, box) and have hyperintense rims on R2*.
