Positron emission tomography/computed tomography

What is a PET/CT scan?

This scan combines a nuclear medicine PET scan with a CT scan. By producing a three-dimensional image of the body, the PET/CT scan can find and track cancer, diagnose seizures and strokes and measure heart function.

What happens during the PET/CT scan?

Your child will need to have a glucose test done on the day of the procedure. The glucose test is a finger prick that will be done in the Radiology Department. Your child's glucose level needs to be below a certain level in order for the scan to be done.

We use a mobile service to provide high-quality PET/CT scans to our patients. Parents may be present during the scan preparation. However, due to limited space on the truck, family members may be asked to wait in the prep area. We ask that pregnant caregivers and siblings do not come with the child.

The scanner looks like a big donut. The technologist will help your child lie down on a table. Pillows may be used to make your child feel comfortable and keep him or her in the right position.

Your child will have an intravenous line placed. The tracer is injected into the IV line. About 45 minutes later your child will be placed into the scanner.

Your child must lie very still during the scan. If it is hard for your child to hold still, the PET/CT will need to be scheduled with general anesthesia. If needed, you will be given instructions prior to your arrival.

When your child is comfortable, the technologist will slide the table into the middle of

the scanner. Your child won't feel anything unusual during the scan. The technologist and nurse will use a TV camera to watch your child. They will use a microphone to talk to your child. The scan takes between 20 and 40 minutes.

Your child will be able to go home after the scan is completed. There typically are no side effects from the scan or the tracer that is used as part of the scan. There are no special care needs after the PET scan unless your child was given anesthesia for the scan. If your child was given anesthesia for the scan, you will be given care instructions before you leave.

The doctor who ordered the test will get the results within a week. The doctor will share the results with you and your family.

How should I prepare my child for the scan?

The tracer that is used for the PET/CT scan is very costly. To prevent wasting the tracer and rescheduling your child's appointment for the PET/CT scan, it is very important to follow the instructions below.

• 24 hours prior to the scan, give your child foods that are high in protein (such as meat and dairy), but low in carbohydrates (avoid starchy, sugary foods).
• If your child has diabetes, please call (414) 266-3606 for special instructions.
• Limit your child's physical activity to quiet, non-athletic activities for 24 hours before to the scan.
• Your child cannot have any food (solids or liquids) six hours before the scan.
• Please page (414) 907-2314 up to 10 p.m. the night before if you need to cancel the scan.

Learn more about PET/CT.