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. 2017 Oct;38(10):1941–1945. doi: 10.3174/ajnr.A5329

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© 2017 by American Journal of Neuroradiology

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Fig 1. — A 32-year-old male patient with relapsing-remitting MS with several lesions, including 2 contrast-enhancing juxta-/intracortical lesions in the left frontal and right parietal areas. Upper row (A–C): T1WI; lower row (D–F): DIR images with A and D being precontrast; B and E, postcontrast; and C and F, subtraction images. Enhancing lesions appear hypointense on postcontrast DIR and are visible in subtraction images. Note the high contrast of the lesions in the DIR subtraction image (F) compared with T1WI subtraction image (C).