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Abstract #0542

Venous Mapping of Vascular Malformations using Cranial 4D Flow MRI with Improved ‘Virtual Injections’

Laura Eisenmenger1, Grant Steven Roberts2, Michael Loecher3, Leonardo Rivera-Rivera1, Patrick Turski1, Kevin M Johnson1,2, and Oliver Wieben1,2
1Radiology, University of Wisconsin - Madison, Madison, WI, United States, 2Medical Physics, University of Wisconsin - Madison, Madison, WI, United States, 3Radiology, Stanford University, Palo Alto, CA, United States

Endovascular intervention via a venous approach, or trans-venous embolization (TVE), has been increasing employed in the management of intracranial vascular lesions such as arteriovenous malformations (AVMs) and dural arteriovenous fistulas (DAVFs). Current pre-procedural planning is limited by overlapping, complex vascular anatomy and a lack of quantitative hemodynamic feature characterization. Using novel 4D flow MRI methods, high-resolution retrograde venous flow mapping with anatomical detail and dynamic flow fields can provide valuable information prior to TVE. We will present our institutional experience using this method in representative intracranial vascular lesions.

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