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MR Angiography (MRA)
MRA is an MRI study of the blood vessels. It utilizes MR technology to
detect, diagnose and aid in the treatment of heart disorders, stroke and
blood vessel diseases. MRA is useful way of finding problems in the
carotid arteries of the neck, which may severely narrow or block off blood
flow to the brain. MRA has found wide use in checking patients for
diseased intracranial (in the head) arteries, diseases in the aorta and in
blood vessels supplying the kidneys, lungs and legs. |
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Head and Brain
MRI can help detect brain tumors, blood clots, a bulge in the wall of a
blood vessel (aneurysm), bleeding in the brain, nerve fiber destruction
caused by multiple sclerosis (MS), and other types of brain damage such as
the eyes, the nerves leading from the eyes to the brain (optic nerves),
the ears, and the nerves leading from the ears to the brain (auditory
nerves). |
 
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Spines
MRI can be used to help diagnose conditions such as spinal stenosis, disc
bulges, disc herniations and spinal tumors.
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Extremities, Bones and Joints
MRI can help detect some problems of the bones, joints, and soft tissues
of a joint (such as cartilage, ligaments and tendons). Conditions that can
be evaluated include arthritis, problems with the joint in the jaw known
as TMJ (temporomandibular joint), bone marrow disorders, bone
tumors, cartilage tears, worn-out cartilage, torn ligaments, or infection.
MRI may also help diagnose a bone fracture when X-ray results are
inconclusive.
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MR
Cholangiopancreatography (MRCP)
MRI can offer a noninvasive faster alternative to ERCP in evaluating
patients with yellow jaundice and suspected blockage of the liver ducts (biliary
obstruction), often due to gall stones or tumors. Other patients with
blockage within the urinary tract (ureters from the kidneys, or urethra
from the bladder) due to stones or tumors also can be quickly examined
with greater sensitivity. These techniques may take the place of exams
that require injection of X-ray dye (to which some patients have allergy,
or can be harmful if the patients have normal kidney function), or other
invasive examinations that require the placement of catheters into the
possibly systems. |
 
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Abdomen
MRI can detect problems of the organs and structures in the abdomen, such
as tumors, bleeding, infection, and blockage. Malformations in structures,
such as in the ureters, may also be detected by MRI. In addition, kidneys,
pancreas, liver and other organs are clearly defined with abdominal MRI.
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Diffusion and Perfusion
Imaging
Diffusion and Perfusion are newer applications in the examination of
patients suspected of having a stroke. Traditional MRI and CT scans have
been very limited in demonstrating evidence of a stroke in a patient with
just a few hours of symptoms. With this newer technique, known as
Diffusion Weighted Imaging, MRI evidence of a stroke may be known in
patients within two hours of symptoms. Even earlier detection is possible
with a technique known as Perfusion Scanning. These techniques are
important for early treatment of stroke, so that damage to the brain can
be minimized. |
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Body MRA-MRA Run Off
(Peripheral Vascular Imaging)
Peripheral Vascular Imaging is MRI scanning of the upper and lower
extremities. |
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