Magnetic resonance angiography using floating table projection imaging
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United States of America Patent
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Dec 30, 2003
Grant Date -
Mar 27, 2003
app pub date -
Sep 25, 2001
filing date -
Sep 25, 2001
priority date (Note) -
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Abstract
A 3D projection reconstruction pulse sequence is employed to acquire CEMRA data as the subject is continuously moved through the field of view of the MRI system. The acquired k-space data is phase corrected to offset the table motion and the corrected data is used to reconstruct an image over a field of view that far exceeds the size of the MRI system field of view. In one embodiment the image is formed as a set of anatomic subregion images which are concatenated to form a single image and in another embodiment a series of images of each anatomic subregion are produced to depict the dynamic inflow of contrast agent.
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