PET hypometabolism

An interictal PET scan after intravenous injection of Fluorine-18-fluoro-2-deoxy-D-glucose (FDG), showing left temporal hypometabolism, medial more than lateral (see boxed area), but extending to the insula and possibly to the parietal region.

PET: positron emission tomography.

Figure courtesy of Hiba Arif, MD and Lawrence J Hirsch, MD.

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