PET Scans
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Last updated 2:50 PM on 4/22/25
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What is the process of PET scans?
Process of PET scans:
Slightly radioactive glucose is given to the patient
Most active areas in the brain use glucose
Radiation detectors can see these areas
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How long does it take to do a PET scan?
10 to 40 minutes
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What is one advantage to PET scans?
PET scans reveal chemical information and others don’t (e.g. tumours)
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What is one disadvantage to PET scans?
Less precise than MRI scans
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What is another advantage to PET scans?
Useful at seeing the brain in action
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What is another disadvantage to PET scans?
It is very costly and rarely avaliable
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