How long is the ideal time between one PET scan to another?

It is for a patient undergoing tumor treatment. Female age 73.

I noted that the previous question asked about CT scans, now PET scans. It appears that there is many questions that you have about your scans and treatment. It is usually 1 year between PET scans. However, if the, doctor suspects there is unusual progression, he may want to perform another. Each case is different. The question is: Does your insurance allow PET scans close together? Most insurance companies have a Utilization Review company to review the need for additional scan. If in doubt, check with the radiologist and your insurance company. Good Luck and I hope this helps.

PET scans are covered for only a few indications; I believe this is a current list-

http://www.petscaninfo.com/zportal/porta...

They can be done more frequently than a year; however because of the expense most docs I know respect the study and try to order only when the results will change the treatment.

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