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Single Photon-Emission Computed Tomography
Single Photon Emission Computed Tomography (SPECT)
Single-photon emission computerized tomography (SPECT) is used primarily in individuals being evaluated for epilepsy surgery when the area of seizure onset is unclear on MRIs or EEGs. SPECT imaging requires two scans, one during a seizure and one 24 hours later. Radioactive material is injected for both scans and then the two results are compared.