My former boss got lymph node cancer and had to get PET scans for years after he was in remission to make sure the cancer hadn’t spread. Why couldn’t everyone just get one PET scan every year as a routine check up instead of all the other multiple screenings we are subjected to? Especially because liver cancer, pancreatic cancer, lung cancer, etc, don’t have simple tests, like mammograms, to detect them?
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A PET/CT exposes you to about 25 mSv of radiation. This is equal to about 8 years of average background radiation exposure. That’s a huge amount, an 8 fold increase if you get one every year. That much radiation is harmful, unless there is a life-threatening condition that needs to be monitored.
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