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Abstract #2546

Respiratory binning showdown; self-gated, respiration belt or pencil beam?

Paul de Heer1, Anne-Sophie van Schelt1, Jasper Schoormans2, Gustav J. Strijkers2, Bram F. Coolen2, Jurgen H. Runge1, Jaap Stoker1, and Aart J. Nederveen1

1Radiology and Nuclear Medicine, Academic Medical Center Amsterdam, Amsterdam, Netherlands, 2Biomedical Engineering & Physics, Academic Medical Center Amsterdam, Amsterdam, Netherlands

In body MR many acquisitions respiratory motion correction is of great importance. In this study we compared self-gated motion-state binning to binning by both the pencil-beam navigator and a respiration belt by looking at the resulting image quality for each method. A 3D T1-weighted radial stack-of-stars turbo field echo (TFE) was acquired in three volunteers. The self-gated respiratory motion binning outperformed the other two methods in image quality and smoothness between the respiratory states. More subjects should be included in the study but for now it can be concluded that self-gating would be the preferred method of respiratory binning.

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