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Fig 1. A, Top left, axial T2-weighted MR image of a section containing the lesion (mixed glioneurocytoma grade II) in patient 4 in the Table.
B, Top right, postcontrast T1-weighted image of the same section.
C, Bottom left, DTI (b = 0) image from the same level as A and B and the contralateral NAWM ROIs used for the MD and FA analyses 3.
D, Bottom right, color-coded MD map of the same section showing the marked elevated MD in the tumor and surrounding tissue, analogous to regions 1 and 2 in C. Note that the ROI selected does not contain any apparent tissue abnormalities.
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