Performance Evaluation of A Developed Acoustic Impedance Device In Tumor Screening

Abstract

In this study, we test the performance of a PZT transducer using Low Acoustic Impedance (LAI) on detecting tumors embedded in agarose gels. Our hypothesis is that the structural and composition difference between the tumor and the gel would sufficiently result in variation in the measured acoustic impedance, and consequently can be used to detect the presence of the tumor located below the gel surface. The surface contour of the normalized impedance is mapped by scanning the device on the surface. The results are compared to the actual locations of the embedded tumors.