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A member 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?

A doctor has provided 1 answer
Dr. Arthur Sgalia answered

Specializes in 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 6/21/2014

4k views

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