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Abstract #1985

Realistic in silico abdominal QSM phantom

Javier Silva1,2,3, Carlos Milovic4, Mathias Lambert1,2,3, Cristian Montalba2,3, Cristobal Arrieta1,2,3, Sergio Uribe2,3,5, and Cristian Tejos1,2,3
1Department of Electrical Engineering, Pontificia Universidad Catolica de Chile, Santiago, Chile, 2Biomedical Imaging Center, Pontificia Universidad Catolica de Chile, Santiago, Chile, 3Millennium Nucleus for Cardiovascular Magnetic Resonance, Santiago, Chile, 4Department of Medical Physics and Biomedical Engineering, University College London, London, United Kingdom, 5Department of Radiology, School of Medicine, Pontificia Universidad Catolica de Chile, Santiago, Chile

Synopsis

Compared to Quantitative Susceptibility Mapping (QSM) in the brain, abdominal QSM faces additional issues due to the presence of gas and fatty tissue. Recent works in abdominal QSM are more focused on its feasibility as a biomarker for disease diagnosis than improving or assessing the robustness and quality of the reconstructions. In this work, we present an abdominal QSM phantom with realistic tissue textures. Our flexible simulation pipeline allows emulating different stages of diseases and MRI signal contributions. Our reconstruction experiments show the potential of our phantom to compare QSM algorithms in different scenarios.

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