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Case 4: 38-year-old woman with bifrontal hyperintensity and tumor spread via corpus callosum.
A, Axial T2-weighted spin-echo localizer image (1900/80).
B, Corresponding spectrum (CSI, PRESS, 1500/135, voxel size = 7.5 × 7.5 × 15 mm) shows a moderate increase in Cho/Cr and Cho/NAA and a decrease in NAA/Cr.
