Abstract
Based on the fact that the electrical impedance of biological tissues is very sensitive to temperature, we have proposed a method to monitor local temperature changes inside the tissues. Using an analytic model and a finite element method model, we have analysed the effect of the local temperature change on the phase image obtained by the magnetic resonance current density imaging technique. We show preliminary experimental results of the temperature change monitoring performed with a 0.3 T magnetic resonance imaging system. We expect that the proposed method can be utilized for the development of non-invasive temperature imaging techniques.
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