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Abstract #3986

Accelerated 3D free-breathing MRCP using Relaxation-Enhanced MAgnetization-prepared radial stack-of-STARs (REMASTAR) and Compressed SENSE

Hiroshi Hamano1, Masami Yoneyama1, Masahiro Enzaki2, Minako Azuma3, Nobuyuki Toyonari4, and Takashi Namiki1
1Philips Japan, Tokyo, Japan, 2Division of Radiology, Miyazaki University Hospital, Miyazaki, Japan, 3Department of Radiology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan, 4Department of Radiology, Kumamoto Chuo Hospital, Kumamoto, Japan

Synopsis

Keywords: Pancreas, Pancreas, MRCP3D TSE RT is commonly used to MRCP imaging. But the image qualities of them are unstable especially in patients with irregular respiratory motion and tachypnea. A T2-prepared pulse is often used to emphasize long T2 component such as CSF, bile, and pancreatic duct. A 3D VANE has been applied in abdominal imaging as a useful free-breathing technique. We attempted to combine bTFE based on 3D VANE with magnetization T2prep pulses (3D REMASTAR) for MRCP instead of, otherwise in addition to 3D TSE RT. We have demonstrated the feasibility of 3D REMASTAR MRCP particularly in subject with unstable respiratory motion.

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Keywords