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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