Patent ID: 9618594
Date: 2017-04-11
CPC Classifications: A61B,G01R

Claim:
1. A method of performing contrast enhanced first pass magnetic resonance angiography, the method comprising: acquiring magnetic resonance datasets of a region of interest, during a first pass of contrast agent through the region of interest after intravenous injection of the contrast agent, using a multi-echo data acquisition technique using multiple echoes, wherein echo times of the multiple echoes are flexible in that the echoes are not fixed to times at which a water signal originating from water and a fat signal originating from fat are in-phase or opposed-phase, and wherein the region of interest comprises fat, water and the contrast agent during the multi-echo data acquisition; and processing the datasets using a modified Dixon water-fat separation technique to eliminate the fat signal originating from the fat from background of the region of interest to reconstruct a magnetic resonance angiographic image data set.