Frequently asked questions
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How does a PET scan work?
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What’s the difference between a PET scan and other imaging tests, such as CT and MRI?
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How much radiation is a participant exposed to during the procedure?
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What does the scanner look like?
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How do I get to the centre?
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Why have I been chosen?
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When will my first scan take place?
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How long will the study last?
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How many visits?
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What will it involve?
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Why do we use PET scans?
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Can I drive after my scan?
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Where can I park?
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How much time will it take?
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Will the study benefit me?
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What if new information becomes available during my participation?
How does a PET scan work?
You will have a small injection of a radioactive substance. The injection enables the PET scanner to produce a picture which reveals important information and will assist the research team to learn more about your condition or treatment.
What’s the difference between a PET scan and other imaging tests, such as CT and MRI?
PET is a way of imaging how the body is functioning; this is different to CT and MRI, which are used to visualize the structure of the body. In some cases, PET can identify abnormal activity before it is visible on CT or MRI. When used in conjunction with CT and MRI, PET can provide an even more valuable picture of the body.
How much radiation is a participant exposed to during the procedure?
The amount of radiation received from a PET scan depends on the type of scan being carried out. There are strict regulations regarding the amount of radiation people participating in research projects can be exposed to. The radiation disappears very quickly.
What does the scanner look like?
This is one of our PET scanners – unlike some scanners it is quiet.
How do I get to the centre?
We have detailed directions on how to reach the centre in the About Us section:
Why have I been chosen?
Your doctor will have identified you as a possible participant because you match the criteria for the research study.
When will my first scan take place?
This will be organised within a few days of you agreeing to take part in the research study.
How long will the study last?
This depends upon the study being undertaken. Some studies are a single visit, other can comprise several visits over several weeks.
How many visits?
This again depends on the study. Normally volunteers will be asked to attend one session but some studies can involve more visits. This will be indicated on your information sheet.
What will it involve?
Every research study is different, however in all studies the PET scanner will be used.
Why do we use PET scans?
The PET scanner produces 3 dimensional images which give information about how the body is functioning and can help research into diseases and treatments.
Can I drive after my scan?
With some studies you will not be allowed to drive. Check your information sheet.
Where can I park?
We will make provision for your vehicle outside the front door of the Centre when you have an appointment.
How much time will it take?
Most appointments will take between 2-3 hours but some may take longer depending on the study.
Will the study benefit me?
Usually the study will have no benefit for you, but will help people in a similar situation in the future.
What if new information becomes available during my participation?
We will tell you about it and discuss with you whether you want to continue in the study.