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Abstract #1695

Native MR angiography of the thorax using Compressed Sensing and 1-point Dixon at 3T: Comparison with standard fat suppression and 2-point Dixon

Michaela Schmidt1, Marcel Dominik Nickel1, and Daniel Giese1
1Siemens Healthcare, Erlangen, Germany

Synopsis

Keywords: Vessels, Blood vesselsFor increased vessel contrast a robust fat suppression of adjacent fat is desirable in MR angiography. While spectral fat suppression can be insufficient, fat separation based on 2-point Dixon requires the acquisition of a second echo. A 1-point Dixon approach based on opposed-phase imaging is presented here that allows to suppress fat dominated voxels effectively while keeping scan efficiency. The approach is evaluated in volunteers and compared to conventional approaches regarding image quality, artifacts, fat suppression and vessel diameter.

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