Keyword Analysis & Research: mri and ct

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Frequently Asked Questions

When to use CT vs MRI?

Spine – MRI is best at imaging the spinal cord and nerves. Brain – CT is used when speed is important, as in trauma and stroke. MRI is best when the images need to be very detailed, looking for cancer, causes of dementia or neurological diseases, or looking at places where bone might interfere.

Is CT and MRI the same thing?

CAT scan also known as CT scan and MRI are often mistaken to be the same thing. CAT or CT is an acronym for computed axial technology. MRI is an acronym for magnetic resonance imaging.

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.

Does CT or MRI always show the tumor?

Magnetic resonance imaging (MRI) and computed tomography (CT) scans are used most often to look for brain diseases. These scans will almost always show a brain tumor, if one is present. Doctors can often also get an idea about what type of tumor it might be, based on how it looks on the scan and where it is in the brain.


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