A 35-year-old member asked:
what is the difference between an mri and a ct?
1 doctor answer
Dr. Michael Gabor answered
32 years experience Diagnostic Radiology
MRI/CT: A CT scan uses x-ray radiation to generate an image. An MRI uses magnetic fields "tuned" to the frequency of protons in the body. Since each scan essentially measures a different property of tissues in the body, they are complementary tests. That is why if one doesn't provide a definitive answer, often the other will be ordered.
Answered on Apr 1, 2016
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