Method for producing a time-resolved series of 3D magnetic resonance angiograms during the first passage of contrast agent
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United States of America Patent
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Feb 3, 1998
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Mar 26, 1996
filing date -
Mar 26, 1996
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Abstract
A dynamic MRA study of a subject is performed using a 3D fast gradient-recalled echo pulse sequence. The frame rate of the resulting series of reconstructed images is increased by sampling a central region of k-space at a higher rate than the peripheral regions of k-space. Image frames are reconstructed at each sampling of the central k-space region using the temporally nearest samples from the peripheral k-space regions.
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