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Magnetic Resonance (MR) Imaging (also
known as MRI) was initially researched in the early 1970's and the first MR prototypes were
tested on clinical patients in 1980. MR imaging was cleared for commercial availability by
the Food and Drug Administration (FDA) in 1984 and its use throughout the world has spread
rapidly since. There are now more than 10,000 MRI systems in use worldwide.
MR is one of the best diagnostic exams
for imaging many types of soft-tissue including:
- the brain, vessels of the brain, eyes,
inner ear
- the neck, shoulders, cervical spine and
blood vessels of the neck
- the heart, aorta and coronary arteries
- the thoracic and lumbar spine
- the upper abdomen, liver, kidney,
spleen, pancreas and other abdominal vessels
- the pelvis and hips, male and female
reproductive system, and bladder
- the musculoskeletal skeletal system
including joints such as the shoulder, knee, wrist, ankles and feet
Sagittal MR image of a head and cervical spine |
This is because MR can provide
exquisite contrast detail between different tissue with vary similar densities, for
instance gray and white brain matter.
MR imaging and MR angiography are
finding a greater role in the detection, diagnosis and treatment of heart disease, heart attack, acute stroke and vascular disease which can lead to stroke.
Additionally, MR imaging is a vital part of diagnosing and treating sports injuries, and MR is finding an increasing role in diagnostic mammography. MR is a powerful tool
for finding and diagnosing many forms of cancer.
Updated: June 10, 2008
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