Abstract #0185

Investigation of Intracranial Artery Selective Visualization in Superselective 4D-MR Angiography with Pseudo-Continuous Arterial Spin Labeling Combined with CENTRA-Keyhole and View-sharing (SS-4D-PACK)

Makoto Obara¹, Osamu Togao², Helle Michael³, Tetsuhiro Wada⁴, Hiroo Murazaki⁴, Masami Yoneyama¹, Yuta Akamine¹, and Marc Van Cauteren⁵

¹Philips Japan, Tokyo, Japan, ²Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan, ³Philips Research, Hamburg, Germany, ⁴Division of Radiology, Department of Medical Technology, Kyushu University Hospital, Fukuoka, Japan, ⁵Philips Healthtech, Tokyo, Japan

Four dimensional (4D) MR Angiography with Pseudo-Continuous Arterial Spin Labeling (pCASL) combined with CENTRA-Keyhole and View-sharing (4D-PACK) has demonstrated high flow visualization ability in clinical use. In this study, we combined Superselective-pCASL with 4D-PACK (SS-4D-PACK) and investigated artery-selective visualization ability in SS-4D-PACK through comparison with contrast inherent inflow enhanced multi-phase angiography combining vessel-selective arterial spin labeling technique (CINEMA-Select). SS-4D-PACK showed higher vessel selectivity and vessel visualization in peripheral artery compared with CINEMA-Select.

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