Not very dangerous: The info provided on the chart if you go to the link below should be very helpful. It will show you the radiation dose for many different radiology exams. http://www.radiologyinfo.org/en/safety/?pg=sfty_xray in general, the risk from the two exams you mention is very low.
Answered 9/22/2017
4k views
V. minor cancer risk: The cancer risk from an additional CT is quite low when compared to the lifetime risk of getting cancer from all causes. But, the most widely accepted model for cancer risk from ionizing radiation (as from CTs) assumes that each study incrementally adds additional risk. For younger people the risk is increased, I would talk to your doctor to make sure that the additional CT is really necessary,
Answered 10/13/2014
3.6k views
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