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
paperwork.
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.
