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FDG-PET for identification of functional deficit zone

Left frontal angiocentric glioma on T1-weighted MRI (B) and raw FDG-PET showing hypometabolism (D). Reconstructed cortex (A) and re-weighted FDG-PET based on a normative database (C). (Image modified from: Mendes Coelho VC, Morita ME, Amorim BJ, et al. Automated online quantification method for (18)F-FDG positron emission tomography/CT improves detection of the epileptogenic zone in patients with pharmacoresistant epilepsy. Front Neurol 2017;8:453.)