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Abstract #1852

Free-breathing Renal Perfusion Imaging with Multi-Delay Arterial Spin Labeling Using Subspace-Based Fast MR

Paul Han1, Thibault Marin1, Yanis Djebra1,2, Georges El Fakhri1, Jinsong Ouyang1, and Chao Ma1
1Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States, 2LTCI, Télécom Paris, Institut Polytechnique de Paris, Paris, France

Renal perfusion imaging with multi-delay arterial spin labeling (ASL) can provide multi-parametric information along with more robust quantification of renal blood flow. However, renal perfusion imaging with ASL is challenging especially due to respiratory motion. This work presents a subspace-based fast MR method for free-breathing multi-delay ASL imaging of the kidney. The feasibility of the proposed method is shown using in vivo data obtained from a healthy volunteer on a 3T MR scanner.

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