A 44-year-old member asked:
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How is pet CT scan done?

1 doctor answer
Dr. Tushar Patel
25 years experience in Radiology
PET/CT scan: You need to fast for 4 hours first, then you will recieve an injection of a small amount of radioactive glucose (i.e. Sugar). Next you will sit in a recliner chair for about 70 minutes to allow the glucose to distribute throughout you. Then you will lie on your back on the pet/ct scanner (a tunnel shaped machine) for 20 minutes. There are no side effects from the test or restrictions afterwards.
Answered on Oct 21, 2019
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