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Abstract #4731

Magnetic resonance cholangiopancreatography using optimized integrated combination with parallel imaging and compressed sensing technique compared with conventional MRCP.

Nobuyuki Kawai1, Satoshi Goshima1, Kimihiro Kajita2, Tomoyuki Okuaki3, Masatoshi Honda3, Hiroshi Kawada1, Yoshifumi Noda1, Yukichi Tanahashi1, Shoma Nagata1, and Masayuki Matsuo1

1Department of Radiology, Gifu University School of Medicine, Gifu, Japan, 2Department of Radiology Services, Gifu University Hospital, Gifu, Japan, 3Philips Japan, Tokyo, Japan

MR cholangiopancreatography (MRCP) plays an essential role in the noninvasive assessment of the biliary and pancreatic duct systems. The current respiratory-triggered three-dimensional turbo spin-echo MRCP sequence has an excellent duct-to-periductal tissue contrast, however, the long acquisition time and motion artifacts due to the various depth of patients’ breathing limit the benefit of this sequence. We assessed prototype sequence using optimized integrated combination with parallel imaging and compressed sensing technique (Compressed-SENSE) for MRCP. Our results demonstrated that Compressed-SENSE technique enabled significant reduction of acquisition time without image quality degradation compared with conventional method.

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