PET Scans

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6 Terms

1
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What is the process of PET scans?

  1. Slightly radioactive glucose is given to patient

  2. Most active areas in the brain uses glucose

  3. Radiation detectors can see these areas

2
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How long does it take to do a PET scan?

10 to 40 minutes

3
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What is one advantage to PET scans?

PET scans reveal chemical information and others don’t (e.g. tumours)

4
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What is one disadvantage to PET scans?

Less precise than MRI scans

5
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What is another advantage to PET scans?

Useful at seeing the brain in action

6
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What is another disadvantage to PET scans?

It is very costly and rarely avaliable