What Should I Avoid After A PET Scan?

What are the side effects of having a PET scan?

If undergoing a combination PET-CT scan, the iodine-based contrast dye used for the CT component can cause side effects, including nausea, vomiting, headache, itching, flushing, and mild rash.

In rare cases, a serious, all-body allergic reaction known as anaphylaxis may occur..

How long does a full body PET scan take?

How long does a PET scan take? After the radiotracer is injected into a vein, it usually takes up to one hour to travel throughout the body and be absorbed into the organs or tissues that are being examined. The PET scan itself may take another 30 to 60 minutes. Heart and brain studies take less time for imaging.

Is it safe to be around someone after a CT scan?

No. Because CT uses x-ray to acquire the images, only the person having the exam should be in the room during the imaging. Friends or family can wait in our imaging suite while the scan is being performed.

What should you not do before a PET scan?

Do not eat or drink anything, except water, for 6 hours before the exam. You may drink water, as much water as you can would be helpful, until arrival. Routine medications may be taken, unless you have been instructed otherwise.

Does lymphoma feed on sugar?

Some people worry that sugar could ‘feed’ their lymphoma. There is no evidence that eating sugar makes lymphoma, or any type of cancer, grow. … A healthy diet means eating sugar in moderation. In general, sugary foods (such as cakes, biscuits and honey) provide little nutritional goodness and can lead to weight gain.

Why can’t you eat sugar before a PET scan?

The radioisotope that is used in PET imaging, fluorine 18 fluorodeoxyglucose or 18F-FDG, is a glucose transporter. This radioisotope will go to any metabolically active areas in the body. If the glucose levels are elevated from food or drink the patient consumed prior to the test, the level of insulin will increase.

Is a PET scan claustrophobic?

Medical procedures such as MRIs, PET scans and CT scans are frequent sources of claustrophobia. … MRI, CT and PET scans can cause claustrophobia because being in such a confined space can create feelings of limited control, isolation from others and major restriction of movement.

Can you drink coffee before PET scan?

Body Scan with FDG – PET/CT. If you are having a FDG Brain scan, you must not eat or drink caffeine for 24 hours before your exam. This includes chocolate, coffee, tea, soda, or Exedrin®. Note: decaffeinated products contain caffeine.

Can I wear deodorant for a PET scan?

Can I wear deodorant before a PET/CT scan? Deodorant will not affect the quality of your PET scan.

Do benign tumors show up on PET scans?

A PET/CT test helps diagnose cancer and gives more information, including whether a tumor is benign (non-cancerous) or malignant (cancerous), whether the cancer cells are active or dead, and how well the cancer is responding to treatment.

How soon after PET scan do you get results?

How soon will the PET scan results be available? A radiologist who has specialized training in PET scans will interpret the images, write a report, and deliver the results to your doctor. This process usually takes 24 hours.

Is it safe to be around someone after a PET scan?

During a positron emission tomography (PET) scan, your body’s tissue will be exposed to radiation. … Close contact with pregnant women, babies or young children should be avoided for a few hours after having a PET scan. Read more about radiation exposure.

How long are you radioactive after a PET scan?

However, because radioactive material will remain in your body for about 12 hours, you’ll want to limit your contact with both pregnant women and infants during this time. Drink plenty of fluids after the test to help flush the tracers out of your system. Generally, all tracers leave your body after two days.

What are the disadvantages of a PET scan?

Limitations of a PET Scan A PET scan is less accurate in certain situations: Slow-growing, less active tumors may not absorb much tracer. Small tumors (less than 7mm) may not be detectable. High levels of blood sugar can cause the cells to absorb this normal sugar rather than the radioactive, injected kind.