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A member asked:
How is a ct scan and an mri different?
A doctor has provided 1 answer
MRI vs CT: The main difference is that CT uses ionizing radiation and MRI uses radiowaves (non-ionizing radiation). It is the ionizing radiation that causes injury to the DNA and potential to develop a cancer down the road. In general, CT is good at looking a differences in radiation absorption (x-ray density). MRI is good at looking at subtle chemical differences (water and fat) in tissues.
Answered 11/14/2020
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