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Figure 3. A 47-year-old woman with pre-treatment glioblastoma (high-grade glioma case 6). (a) Axial T2 weighted image (4240/105/1 [repetition time/echo time/number of excitations (TR/TE/NEX)] shows a heterogeneously hyperintense mass surrounded by a hyperintense region. (b) Post-contrast T1 weighted image (540/15/1.4 [TR/TE/NEX]) shows enhancement of the solid part. (c) Fractional anisotropy (FA) map shows diffuse hypointensity due to decreased FA. The enhancing part (0.2) and non-enhancing part (0.15) are hard to discriminate.