Navigator-based slice tracking for kidney pCASL using EPI acquisition
Ke Zhang1,2, Simon M.F. Triphan1, Felix T. Kurz2, Chrstian H. Ziener2, Hans-Ulrich Kauczor1, Heinz-Peter Schlemmer2, and Oliver Sedlaczek1,2
1Department of Diagnostic and Interventional Radiology, Heidelberg University Hospital, Heidelberg, Germany, 2Department of Radiology, German Cancer Research Center, Heidelberg, Germany
Renal perfusion is an important physiological parameter in health and disease (1). To measure kidney perfusion using arterial spin labelling (ASL) the respiratory motion is a major problem. In this study, respiratory motion information is acquired from a projection signal and used to adjust the position of the excited slice in real time. The feasibility of free-breathing multi-slice kidney perfusion imaging using EPI based pseudocontinuous ASL (pCASL) with navigator-based slice tracking method is investigated.
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