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Abstract #1452

Robust 3D MRI of the Mouse Lung Using ZTE Imaging with Background Correction

Markus Weiger 1 , Mingming Wu 1,2 , Moritz Christoph Wurnig 3 , David Kenkel 3 , Wolfgang Jungraithmayr 4 , Andreas Boss 3 , and Klaas Paul Pruessmann 1

1 Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland, 2 Institute of Biomedical Engineering, Karlsruhe Institute of Technology, Karlsruhe, Germany, 3 Institute for Diagnostic and Interventional Radiology, University Hospital Zurich, Zurich, Switzerland, 4 Division of Thoracic Surgery, University Hospital Zurich, Zurich, Switzerland

Zero echo time (ZTE) imaging enables efficient 3D MRI of tissues with rapid relaxation, such as e.g. the lung. However, signal is also detected from nearby hardware parts, e.g. the RF coil, which can lead to substantial image background. Here, a subtraction method is proposed to reduce this background to a negligible level. The technique is applied to pulmonary MRI in the mouse, providing reproducible results of high quality.

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