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Abstract #1063

Investigation of black blood MRI signal enhancement in a patient-specific aneurysm model.

Mariya Stanislavovna Pravdivtseva1, Carson Hoffman2, Leonardo A. Rivera-Rivera2, Rafael Medero2, Lindsay Bodart2, Alejandro Roldan-Alzate2, Michael A. Speidel2, Charles M. Strother2, Kevin M. Johnson2, Oliver Wieben2, Olav Jansen3, Naomi Larsen3, Philipp Berg4, Eva Peschke1, and Jan-Bernd Hövener1
1Neuroradiology and Radiology, Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Medical Center Schleswig-Holstein (UKSH), Kiel University, Kiel, Germany, 2Department of Medical Physics, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA, Madison, WI, United States, 3Neuroradiology and Radiology, Department of Radiology and Neuroradiology, University Medical Center Schleswig-Holstein (UKSH), Kiel, Germany, 4Research Campus STIMULATE, University of Magdeburg, Magdeburg, Germany, Magderburg, Germany

Intracranial aneurysm is a life-threatening disease. Vessel wall enhancement may be used as a marker to identify an aneurysm with a high risk of rupture. Accumulation of contrast agent in the vessel wall and slow or turbulent flow can contribute to the formation of vessel wall enhancement. In the current study enhanced signal on black blood MRI was observed in printed model of an intracranial aneurysm with and without Gd administration. The found signal was associated with the slow flow in the aneurysm. Additionally, the impact of spatial resolution, flow rate, MSDE preparation and contrast concentration was considered.

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