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PET/CT |
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 | Positron Emission Tomography (PET) is a nuclear medicine imaging technique that can provide important information about many conditions affecting the heart, brain and other organs.
PET images are different than those from more conventional imaging equipment, such as x-ray, CT, MRI, or ultrasound. PET shows the function of the body and organs and how they work. Other imaging techniques show the structures of the body and how the organs look. |
This procedure combines a CT scan with a PET scan. This provides information about the structure and function of your organs. In most cases, this combined procedure is completed simultaneously while you lie on a table. In some instances, you may either have the PET or CT procedure done at a separate time.
Patient Preparation
Preparation for the exam will vary depending on the reason for the PET scan: - Refrain from strenuous exercise 24 hours prior to the exam.
- Tell your healthcare provider if you are pregnant or think you may be, or if you are a nursing mother.
- Tell your healthcare provider if you are diabetic.
- Continue to take your prescribed medications with water, unless instructed not to do so by your healthcare provider.
- Avoid all beverages containing caffeine and sugar 8 to 10 hours prior to the exam.
- Do not eat or drink anything (except water) during the 4 to 6 hours prior to the exam.
- Wear comfortable clothing. Avoid metal buttons and leave jewelry at home.
- Please arrive 20-30 minutes prior to your appointment time.
- Allow approximately 2-3 hours for the exam.
- Please bring all of your previous films, radiology studies, and insurance information with you.
Patient Experience
A small blood sample will be taken to check your blood sugar level. After placing an IV catheter, the technologist will inject a small amount of radioactive glucose tracer into your bloodstream. This glucose, also known as sugar, is a common substance every cell in your body needs in order to function. There is no danger to you from this injection. You will then have a waiting period of 45 minutes to one hour in a quiet room to allow for the tracer to be distributed throughout your body.
Your exam will be performed by a highly skilled technologist. After the quiet period, you will be asked to lie on a table that passes slowly through the PET/CT scanner. The scanner resembles a CT scanner, but has a much larger opening. Some people fall asleep during the scan, which will take approximately one hour.
After Your Exam
You should feel fine. There are no side effects from the injected material. A board certified radiologist will interpret your PET/CT images and the findings will be sent to your healthcare provider. Your healthcare provider will contact you to discuss the results.
Cost
With an appropriate healthcare provider referral, most insurance plans consider this a covered service, but check with your insurance company. Some insurance companies may require a prior authorization.
PET/CT is available at: Centennial Lakes and Coon Rapids |
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