Hi Van,
This is one of the many internet Def's:
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What is MRI of the Body?
Magnetic resonance imaging (MRI) is a noninvasive, usually painless medical test that helps physicians diagnose and treat medical conditions.
MR imaging uses a powerful magnetic field, radio waves and a computer to produce detailed pictures of organs, soft tissues, bone and virtually all other internal body structures. The images can then be examined on a computer monitor or printed. MRI does not use ionizing radiation (x-rays).
Detailed MR images allow physicians to better evaluate parts of the body and certain diseases that may not be assessed adequately with other imaging methods such as x-ray, ultrasound or computed tomography (also called CT or CAT scanning).
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Like Heather mentions, if you are talking about C-cervical spine and T-thoractic spine MRI, then this would be the areas they would focus on for the imaging. Your question as to what it tells, is mentioned above. It gives physicians information/data to evaluate, depending on what the imaging reveals.
Hope this helps,
SL
Are you talking about "C" as cervical spine and "T" as thoracic spine in MRI?
I don't have a clue but I'll bump you up so someone else can help you out.
I'll be praying,
Carol