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Abstract #2935

Investigation of Whole Brain Coverage 4D-MR Angiography with Pseudo-Continuous Arterial Spin Labeling Combined with CENTRA-Keyhole and View-sharing (4D-PACK) Accelerated by Compressed-SENSE

Makoto Obara1, Osamu Togao2, Hiroo Murazaki3, Tatsuhiro Wada3, Msami Yoneyama1, Masanobu Nakamura1, Yuta Akamine1, Yu Ueda1, and Marc Van Cauteren4

1Philips Japan, Ltd., Tokyo, Japan, 2Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Kyushu University, Fukuoka, Japan, 3Division of Radiology, Department of Medical Technology, Kyushu University, Fukuoka, Japan, 4Asia Pacific, Philips Healthcare, Tokyo, Japan

Four dimensional (4D) MR Angiography based on Pseudo-Continuous Arterial Spin Labeling (pCASL) combined with CENTRA-Keyhole and View-sharing (4D-PACK) was accelerated for whole brain 4D-MRA. Compressed-Sensing combined with Sensitivity Encoding (Compressed-SENSE) was used and we demonstrated whole brain 4D-PACK accelerated with Compressed-SENSE. It provides comparable peripheral and posterior cerebral artery visualizations compared with conventional 4D-PACK which has limited anatomical coverage. Validity of whole brain 4D-MRA is suggested using Compressed-SENSE combined 4D-PACK.

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