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Fig 1. A, Postcontrast T1-weighted axial image in a 46-year-old man with WHO grade IV glioma showing a markedly enhancing bifrontal necrotic tumor with involvement of the genu of the corpus callosum and surrounding perilesional white matter edema. B, PCT CBV map showing elevated blood volume (nCBV = 4.3). C, CBF map showing elevated blood flow (nCBF = 6.27). D, MTT map showing decreased MTT (nMTT = 0.63) within the tumor.
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