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Abstract #2524

Gadoxetic acid-enhanced dynamic MR imaging using optimized integrated combination with parallel imaging and compressed sensing technique.

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

Gadoxetic acid-enhanced MRI represents an essential part in the assessment of hepatic diseases, however, dynamic imaging especially in hepatic arterial phase is still challenging for patients with limited breath-hold capabilities. We assessed prototype sequence using optimized integrated combination with parallel imaging and compressed sensing technique (Compressed-SENSE) for liver imaging, which enabled significant reduction of acquisition time resulting in excellent image quality with less motion artifact, especially in hepatic arterial phase, compared with conventional method. Our results demonstrated the significance and usefulness of Compressed-SENSE in clinical use for gadoxetic acid-enhanced dynamic MR imaging.

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