Positron Emission Tomography (PET)/CT Brain
What is a PET scan?
A positron emission tomography (PET) scan takes pictures of metabolic changes (how the body builds up and breaks down materials), in this case, the brain. A radioactive liquid containing sugar is injected at the start of the PET scan. Your child’s brain uses glucose as source of energy, so the PET scan shows us how the brain is functioning. The CT scan shows the structure of the brain. The two scans work together.
How do I prepare my child for a PET scan?
Do not let your child eat or drink for 8 hours before the test. During this time, medications in pill form can be taken with water. There are some exceptions to this. Please ask your child’s doctor if you have questions. If your child is having the PET scan done under sedation, you will receive a call the day before with specific instructions. If your child is taking insulin, they will need to stop it for 4 hours before the PET scan.