Single photon emission computed tomography
Definition
Single photon emission computed tomography (SPECT) is an imaging study that uses radioactive materials injected through a vein that will pass into the brain generating a high-resolution brain image.
Description
SPECT is used to diagnose head trauma, epilepsy, dementia, and cerebrovascular disease. Development of a radiotracer called Tc99m label has increased the resolution of brain images generated from SPECT. The images yield very accurate spatial and contrast resolutions. The resulting sharp images enable the clinician to visualize very small...
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