Abstract
Magnetoacoustic tomography with magnetic induction (MAT-MI) is an imaging technique under development to achieve imaging of electrical impedance contrast in biological tissues with spatial resolution close to ultrasound imaging. However, previously reported MAT-MI experimental results are obtained either from low salinity gel phantoms, or from normal animal tissue samples. In this study, we report the experimental study on the performance of the MAT-MI imaging method for imaging in vitro human liver tumor tissue. The present promising experimental results suggest the feasibility of MAT-MI to image electrical impedance contrast between the cancerous tissue and its surrounding normal tissues.
Highlights
Electrical impedance imaging approaches have been widely explored for several decades, since changes in tissue’s electrical impedance provide useful physiological and pathological information about the biological tissues
In MAT-MI, the sample is placed in a static magnetic field
In MAT-MI, in order to deposit energy, an excitation coil is used to send out a pulsed magnetic stimulation B1͑r, tto a tissue samplesee Fig. 1͒
Summary
Electrical impedance imaging approaches have been widely explored for several decades, since changes in tissue’s electrical impedance provide useful physiological and pathological information about the biological tissues. In MAT-MI, the sample is placed in a static magnetic field. In MAT-MI, in order to deposit energy, an excitation coil is used to send out a pulsed magnetic stimulation B1͑r , tto a tissue samplesee Fig. 1͒.
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