Review reveals improved seizure foci detection using TSPO-PET in drug-resistant epilepsy, suggesting enhanced preoperative planning.
Translocator protein positron emission tomography (TSPO-PET) is a novel imaging modality that leverages the high expression of TSPO in activated microglia and other cells within seizure foci. It has been increasingly applied in the preoperative evaluation of drug-resistant epilepsy (DRE) to aid in the localization of these foci. With advances in tracer development, TSPO-PET has achieved higher signal-to-noise ratios and broader clinical utility. Clinical studies indicate that TSPO-PET yields significantly higher positive detection rates for seizure foci compared to magnetic resonance imaging and fluorodeoxyglucose positron emission tomography. This review summarizes recent progress in TSPO-PET radiotracer technology, its mechanism of action, and its clinical applications for managing DRE.
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Wang et al. (2025) studied this question.
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