Abstract #2557

Selective Arterial Spin Labeling in Conjunction with Phase-encoded Information for the Simultaneous Visualization of Morphology, Flow Direction and Velocity of Individual Arteries in the Cerebrovascular System

Thomas Lindner¹, Naomi Larsen¹, Olav Jansen¹, and Michael Helle²

¹Clinic for Radiology and Neuroradiology, University Hospital Schleswig-Holstein, Kiel, Germany, ²Philips GmbH Innovative Technologies, Research Laboratories, Hamburg, Germany

In the presented study, selective Arterial Spin Labeling and Phase encoded information are obtained in a single acquisition, thereby allowing for artery-selective velocity and flow imaging. From the data, several image contrasts can be derived. First, anatomical images are available. From these, static artery-selective angiograms are obtained, which are processed as binary image masks and applied to the phase encoded images. Thereby, vessel-selective Phase encoded angiograms are created. Furthermore, it is possible to calculate venous-only images by subtraction of the arterial information derived from the ASL measurements from the phase-encoded images.

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