Abstract #0191

Vertebral Column Quantitative Susceptibility Mapping using Joint Background Field Removal and Dipole Inversion

Maximilian N. Diefenbach¹, Anh Van², Jakob Meineke³, Andreas Scharr⁴, Jan S. Kirschke⁴, Alexandra Gersing¹, Thomas Baum⁴, Benedikt Schwaiger¹, and Dimitrios C. Karampinos¹

¹Diagnostic and Interventional Radiology, Technical Univeristy of Munich, Munich, Germany, ²Institute of Medical Engineering, Technical University of Munich, Munich, Germany, ³Philips Research Laboratory, Hamburg, Germany, ⁴Department of Diagnostic and Interventional Neuroradiology, Technical University of Munich, Munich, Germany

Quantitative susceptibility mapping (QSM) with joint background field removal and dipole inversion is applied in the spine of osteoporosis patients and healthy volunteers. Preliminary multi-MR-parametric patient results are compared to low-dose CT scans to investigate the feasibility of QSM to qualitatively and quantitatively detect features of diseased tissues and differentiate positive and negative susceptibility sources in comparison to R₂*-mapping.

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