PET scan, short for positron emission tomography scanning, is a body imaging technology that uses radiation to produce colored three-dimensional images of the body. A PET scan can reveal metabolic changes and physical uptake that may not be seen in other forms of imaging technique, and that’s why it’s widely used to see observe the development of an existing condition or the effectiveness of an ongoing treatment.
How long does a PET Scan take?
The length of a PET scan will depend on the type of scan being done, but generally, the entire process can take between two to three hours. Preparation is what takes up most of the time, as the scanning process typically only takes 30 minutes to complete. As for the results, this can be obtained after 24 to 48 hours, after which your doctor with relay the findings to you.
That said, it’s not unusual for the result to arrive a week or two after the scanning. Usually, the scan will first have to be examined by a radiology or nuclear medicine specialist, who will then type up a report. The report is then given to your doctor.
What Can Delay My PET Scan Results?
There are three possible reasons that a PET scan can be delayed. These are:
● The complexity of the test or procedure could delay the results
● If the radiologist needs input from your doctor first
● Whether the latest results have to be compared to previous ones
Understandably, it can be an anxious time for you while you wait for your results. During your consultation, ask your doctor how long the results will take. If you receive no word yet after a week , contact your doctor’s office to check.
Sources:
Positron Emission Tomography (PET/CT), childrenshospital.org
PET scan, cancerresearchuk.org
Frequently Asked Questions, petscaninfo.com
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