View Normal Pet Scan Brain US. A pet scan can compare brain activity during periods of depression (left) with normal brain activity (right). Brain positron emission tomography is a form of positron emission tomography (pet) that is used to measure brain metabolism and the distribution of exogenous radiolabeled chemical agents throughout the brain.
PET scans of normal and Alzheimer's brain - Stock Image ... from media.sciencephoto.com Combined pet/ct scanners perform almost all pet scans today. The pet scanner is able to detect the product of this interaction and uses it to make an image. You can resume normal activity after your scan.
Pet scans are heavily used to locate cancers and identify areas of metastasis.
These combined scans help pinpoint abnormal metabolic activity and may provide evaluate brain abnormalities, such as tumors, memory disorders, seizures and other central nervous system disorders. A pet scan requires a small amount of radioactive material (tracer). A pet/mri scan is an imaging test that combines pet and mri in one session. Results of a pet scan:
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