Synopsis

Keywords: Contrast mechanisms: Electromagnetic tissue properties

It will be explained on which tissue properties magnetic susceptibility, electric permittivity and electric conductivity depend, what data needs to be acquired to map these properties, influence these properties depend on field strength.

Learn that:

• QSM can be used to quantify tissue magnetic susceptibility and visualized iron rich structures Magnetic susceptibility depends on tissue (micro)structure and geometry
• Water/fat chemical shift needs to be considered for body QSM
• Conductivity (σ) and permittivity (ε) depend on frequency, temperature
• Associated with ion concentrations and mobility, tissue type and density, pathology
• Can be used for local SAR estimation and planning of electromagnetic related therapies