PET/CT scan is a type of imaging test that combines positron emission tomography
(PET) and computed tomography (CT) techniques. Combined PET/CT scans can
be performed on any part of the body.
PET/CT may be used for:
- Early diagnosis of cancer, heart disease, epilepsy, Parkinson's disease,
Alzheimer's disease, and other dementias
- Accurate assessment of the location and stage of malignant disease
- Non-invasive monitoring of the effects of treatment
- A single-exam alternative for multiple medical testing procedures
How to prepare:
- Nothing to eat or drink at least 8 hours prior to exam time. If you are
diabetic, do not eat or drink 4-6 hours.
- You may drink as much water as you would like
Do not take
Diabetes medication on the day of your exam.
- You may take any other medications, as needed.
- Wear loose comfortable clothing, with no metal zippers or buttons.
- No extreme/strenuous exercise, 2 days prior to your appointment.
- No Coffee/ caffeinated products, 2 days prior to your appointment.
- Arrive 30 minutes prior to appointment time to register and complete necessary
What to expect:
- The technologist will check your blood sugar level
- If your blood sugar is within range, the technologist will inject a radioactive isotope.
- There is a 1 hour rest period, in order to allow your body to absorb the isotope.
- The PET/CT scan will take approximately 30 minutes to complete.
- If you plan to travel into Mexico within 24 hours after the exam, notify
the technologist for special instructions.
- Results will be sent to the referring physician within 24-48 hours.