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Using this technique, an image of the
vasculature of the brain can be obtained without the use of an invasive
angiogram. Although the detail and degree of resolution is not
as great as with a conventional angiogram (where dye is injected into
the arteries), an mra serves as a good screening study, and it is
non invasive. Small aneurysms in the brain (<4 mm) may be
missed.
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Glossary 
