Abstract #2058

REACT - Relaxation-Enhanced MR Angiography without Contrast and Triggering in comparison with other non-contrast MR angiography techniques for imaging of the pelvic vessels.

Mark N. Terwolbeck¹, Maike Bode¹, Lea Hitpass¹, Shuo Zhang^1,2, Christiane K. Kuhl¹, and Nils A. Kraemer¹

¹Diagnostic and Interventional Radiology, University Hospital RWTH Aachen, Aachen, Germany, ²Philips Medical Systems, Best, Netherlands

Conventional MRI and CE-MRA have limitations in venous imaging. Recently introduced Relaxation-Enhanced MR Angiography without Contrast and Triggering (REACT) is based on 3D dual-echo generalized DIXON in combination of magnetization preparation, and has the potential to better characterize both arterial and venous signals with robust blood-tissue contrast. Comparing REACT with conventional non-contrast sequences regarding vessel depiction, REACT revealed similar results for large vessels and was superior for the assessment of small peripheral vessels.

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