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At the Saint Vincent Cancer and Wellness Center, we know that a key component to correctly treating your cancer is to have accurate diagnostics. We use positron emission tomography and computed tomography (PET/CT) scans to find and learn more about a cancer. This technology enables us to help you choose the treatment option that’s right for you and measure its success, providing key information about your outlook and recovery.
Combining Two Imaging Techniques
A PET/CT scanner combines Positron Emission Tomography (PET) and Computed Tomography
(CT) images. PET images show the function of cells in the body. CT images show body anatomy
such as vessels, lymph nodes, and organs. Combining PET and CT images helps doctors diagnose,
monitor, and determine treatment for cancer. PET/CT scans can help your doctor determine the
extent of cancer, which may reduce the need for biopsy or surgery.
Preparing for a PET/CT Scan
Prepare for your exam by following the guidelines below. Please contact the scheduling
department with any questions you may have.
Do not eat or drink anything except plain water for 4-6 hours before
Take your medication as directed by your doctor
Avoid rigorous activity 24 hours before your exam
Dress warmly and comfortably
If you are a diabetic, eat a small meal four hours before your exam and
take your insulin, if necessary. Ensure that your gluclose levels are
within normal limits, or the exam will need to be rescheduled.
Consult your doctor prior to your PET/CT Scan if:
You are or may be pregnant
You are allergic to any drugs or foods
You are currently being treated for an infection
You are unsure if you should take your medications
Benefits of PET/CT
PET/CT helps doctors accurately diagnose, stage, and treat cancer. PET/CT can help determine:
Size and location of the growth
Whether the cancer is spreading
The best form of treatment
Whether therapy is working
Whether there has been a recurrence
Risks of PET/CT Scans
The benefits of a PET/CT scan generally outweigh the risks. The largest risk in getting a PET/CT scan is radiation exposure. During a PET scan, you’re injected with a small amount of radioactive substance, but this only stays in your body for a short amount of time. You’ll actually receive more radiation exposure from a CT scan. If you’re receiving many CT scans or other tests with radiation, please inform your doctor or ask if it’s possible to have tests with less radiation.
Learn more about PET/CT scans at Saint Vincent Hospital by talking with your doctor. Please contact the Cancer and Wellness Center at (855) 847-8470 or locally at (866) 245-5995 if you have any questions or would like to schedule an appointment.
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