During the PET scan procedure, the patients do not experience any pain. The patients would be informed by a specialist about any associated risks and benefits of Positron Emission Tomography. Even though the PET scan involves a low dose of radiations, it is not an invasive process. PET scan is not recommended for pregnant and breastfeeding women.
Number Of Trips Abroad
Discharge From Hospital
No need for hospital stay
Duration Of Operation
30 minutes - 1 hour
30 minutes - 1 hour
For the PET scan procedure, preparation is crucial. Before the procedure, it is recommended to wear warm and comfortable clothes. Also, it is suggested to avoid wearing any metal jewelry and accessories. A day before the PET scan, the patient should limit their caffeine and sugar consumption in addition to being properly hydrated.Before the procedure, the patient should not eat anything and drink lots of water for six hours. Also, diabetic patients should consult their doctor for specific instructions regarding their condition.Another important aspect of the preparation is the PET scan procedure cost. The patients should know the costs before starting the procedure.
How It Is Performed
PET scan is performed by injecting a small number of radioactive substances into the blood circulation.After the injection, the patient will rest for an hour, waiting for the substance to dissolve in the organism. Before starting the PET scan procedure, the patients are requested to empty their bladder and lie down on the scanner bed.Generally, the PET scan procedure lasts for around 15-35 minutes, but it depends on the type of PET scan machine and the type of scan performed.Additionally, it is very important to stay still during the procedure.
Once the procedure is completed, patients can leave the hospital and continue their daily routine. After the procedure, in order to shorten the time of the elimination of radiopharmaceutical substance from the body, proper hydration is suggested. The PET scan results would be provided between 24 to 48 hours.
Since the PET scan is a non-invasive procedure, it does not involve any pain or risks related to the procedure.
The doctors would inform the patients about any possible side effects of PET scan.
For the fields of diagnosis and research, PET scan is thought to be very efficient.
Before And After
Shortly after the procedure, a written report of the PET scan is provided to the patients. The doctor would interpret the report to inform the patients about their condition.
How often should I have a PET scan? Depending on your health conditions, your doctor would make such a choice.
Are there alternatives to PET scan? There are other neurological imaging systems like FMRI, Radiography, Angiography, etc., but depending on the scope of the procedure, PET imaging can offer unique information that cannot be provided by any other medical device.
Is it painless? During the procedure, the patient would not feel any pain. However, before the PET scan, the patient would only feel a regular sting, which is caused by an injection.
Is it expensive? The cost of the procedure varies depending on the patient’s insurance plan and the location where the PET scan would be performed.
Back To Work
2 to 3 hours
Back To Sports
2 to 3 hours
This content is written and reviewed by our medical content team in August, 2019.