Abstract #1852

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

Paul Han¹, Thibault Marin¹, Yanis Djebra^1,2, 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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