Thermo-Acoustic Imaging for Tissue Mimicking (TM) Materials and Breast Tissues in Microwave Induced Thermo-Acoustic Tomography System
摘要
Microwave induced thermo-acoustic tomography (MITAT) has been investigated for decades due to its great potential in early breast cancer detection. Based on a precise MITAT system, the imaging experiments for tissue mimicking (TM) materials and ex-vivo breast cancer tissue are performed. First, the effectiveness of the TM materials is evaluated. The thermo-acoustic (TA) signal and response of the TM material are compared with those of the real breast tumor specimen. Second, the 3D thermo-acoustic image for TM material is reconstructed to validate the tomographic imaging ability of the MITAT system. Finally, the thermo-acoustic imaging experiment for hybrid breast cancer tissue is performed to verify the distinguishing sensitivity of the system. The potential of MITAT for breast cancer detection is further validated by the results presented in this paper.