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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