PET (positron emission tomography) scan of the brain - Stock Image

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Description
These are computer generated images called PET (positron emission tomography) of the brain. It consists of injecting a radioactive analogue of glucose, FDG (fluorodeoxyglucose) into the venous circulation; the three-dimensional images of tracer concentration within the brain are then constructed by computer analysis. The more metabolically active areas will retain more FDG, and consequently retain more radiation (orange color). It is an important tool for detecting malignant tumor like metastasis mainly in other parts of the body. In the brain, it also has been used to detect areas of the brain that generate seizures.
This is a computer generated image, therefore, it is not as sharp as a regular photograph, but it is the sharpest image we can get to date.
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