Abstract #0886

Feasibility of Time-Resolved Subtractionless Contrast Enhanced Dixon MRA of the lower legs on 1.5T

Marc Kouwenhoven¹, Silke Hey¹, Christine Nabuurs¹, Alan Huang¹, Adri Duijndam¹, Elwin de Weerdt¹, Holger Eggers², Niels Blanken³, and Tim Leiner³

¹Philips, Best, Netherlands, ²Philips Research, Hamburg, Germany, ³Radiology Dept., University Medical Center, Utrecht, Netherlands

In this work, the feasibility is explored for subtractionless first-pass time-resolved contrast enhanced MRA of the lower legs on 1.5T using Dixon, viewsharing and parallel imaging with high acceleration factors. Results in seven consecutive patients are analyzed and compared with the conventional subtraction method. It is demonstrated that with the subtractionless method, bulk motion artifacts are eliminated, and SNR is significantly increased.

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