A 53-year-old female asked:
why doesnt a mri show deflux material from a prior vur and a ct urogram does? i thought mri's are more in depth?
1 doctor answer
Dr. Arthur Sgalia answered
47 years experience Internal Medicine
Different tests: An MRI uses an atom's response to a strong magnetic field. A CT uses X-rays. The X-rays won't pass through the contrary, so it creates a shadow. No such effect occurs because of the magnetic field.
Answered on Jun 21, 2014
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