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2014 Washington Street
Newton, MA 02462
617-243-6000
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Newton Centre, MA 02459
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Wellesley, Massachusetts 02482
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25 Washington Street
Wellesley, Massachusetts 02481
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Waltham, MA 02453
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Before your positron emission tomography (PET) scan, a technologist will insert a small intravenous (IV) line into your arm. The technologist will inject a small amount of a radioactive tracer called FDG into your IV line. Once you’ve received your injection, you’ll rest quietly for 30 to 60 minutes to allow the FDG to distribute in your body.
Next, the technologist will ask you to lie on the PET scanner table, which will slowly pass through the PET scanner. The PET scanner detects and records the signals the tracer substance emits. A computer reassembles these signals into images.
In some cases, your doctor may request a second injection of IV contrast material so we can better see inside your body. If you need it, you’ll receive this second injection during your scan.
Department of Radiology, Newton-Wellesley Hospital 2014 Washington Street Newton, MA 02462 Phone: 617-243-6600
Every PET scan is different, but most take about 30 to 45 minutes.
The technologist will process your images using a computer. A radiologist will evaluate your images within 24 hours and dictate a report. Your doctor will receive a transcription of this report.
You should feel fine after your exam. There are no known side effects from the injected tracer material.
You will go over the results of your PET scan with your doctor.
Connect with our team to set up your imaging test