Keyword Analysis & Research: mri ct

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Frequently Asked Questions

Is CT and MRI the same thing?

CT versus MRI. The main differences between CT and MRI are: A CT scan uses X-rays, but an MRI uses magnets and radio waves. Unlike an MRI, a CT scan does not show tendons and ligaments. MRI is better for examining the spinal cord.

What is the difference between MRI vs CT contrast?

Ct contrast is iodinated contrast whereas MRI contrast contains gadolinium which is in a chelated form of gadolinium. The contrast material used in CT scanning is radiodense and attenuated X rays and therefore can act as a CT contrast agent since CT scanning uses XRays.

How is MRI better than CT scan?

A CT scan is better than an MRI for imaging calcified tissues, like bones. CT scans produce excellent detail used to diagnose osteoarthritis and fractures. In many cases, a CT scan is less useful than an MRI. In the case of very obvious ruptured discs, CT scans may be effective diagnostic tools.

Does CT or MRI always show the tumor?

We usually use CT first for most people, unless a tumor is much better seen on MRI. But we go back and forth as needed. If we see something on a CT scan we're unsure about, we may recommend an MRI for further evaluation.


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