Magnetic resonance cholangiopancreatography (MRCP) is crucial for the diagnosis of biliary/pancreatic duct disease. However, conventional respiratory triggered (RT-MRCP) scans require long acquisition times and ultimately fail in patients with irregular breathing. In this work we propose a free-breathing motion corrected MRCP scan (MOCO-MRCP) based on a rewinded Cartesian Acquisition with Spiral Proļ¬le ordering (rCASPR). MOCO-MRCP eliminates idle time associated with respiratory triggering, thereby increasing the robustness to motion artefacts while reducing the overall scan time compared to RT-MRCP. We show preliminary results of MOCO-MRCP in three patients with suspected biliary/pancreatic duct disease.
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