Exploiting the different vascular pathophysiology in brain glioblastomas compared to radionecrosis, we aim to improve the differential diagnosis of post-treatment contrast-enhancing lesions. To recognize recurrent glioblastoma after treatment, we investigate if relevant CVR differences exist between newly diagnosed brain glioblastomas and radionecrosis. For this purpose, we utilized blood oxygenation-level-dependent functional MRI (BOLD-fMRI) to study CVR.
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