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Induced Current Electro-Thermal Imaging in A Realistic Breast Model: A Numerical Study Gerçekçi Bir Meme Modelinde Akım İndüklemeli Elektro-Termal Görüntüleme: Sayısal Bir Çalışma
Date
2024-01-01
Author
Tanrıverdi, Volkan
Gençer, Nevzat Güneri
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Passive (standard) thermography is a medical imaging modality that visualizes the surface temperature distribution by detecting infrared (IR) radiation emitted from the body surface through an IR camera. Passive IR imaging has begun to be used in routine health screenings; however, the effectiveness of passive thermography in detecting small and deep tumors is limited. Active thermography uses an external heat source to detect deeper tumors. In this study, the induced currents generated by time-varying magnetic fields at a frequency of 750 kHz, depending on the dielectric parameter distribution of the breast tissue, were used as an external heat source. The current-induced medical electro-thermal imaging method was numerically investigated using a realistic breast model. In the simulation study, tumor and breast tissues were modeled in three dimensions, and the bio-heat equation for the active mode was solved using realistic values of the tissue layers. A 4 A current was applied to a 25 winding Helmholtz coil, and the electric field, current density, induced power, and temperature distributions were analyzed. The results showed that a 1 cm3 malignant tumor could be detected at a depth of 19 mm in a realistic breast model.
Subject Keywords
active thermography
,
breast cancer
,
breast cancer infrared imaging
,
electro-thermal imaging
URI
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85200925375&origin=inward
https://hdl.handle.net/11511/110713
DOI
https://doi.org/10.1109/siu61531.2024.10601066
Conference Name
32nd IEEE Conference on Signal Processing and Communications Applications, SIU 2024
Collections
Department of Electrical and Electronics Engineering, Conference / Seminar
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BibTeX
V. Tanrıverdi and N. G. Gençer, “Induced Current Electro-Thermal Imaging in A Realistic Breast Model: A Numerical Study Gerçekçi Bir Meme Modelinde Akım İndüklemeli Elektro-Termal Görüntüleme: Sayısal Bir Çalışma,” presented at the 32nd IEEE Conference on Signal Processing and Communications Applications, SIU 2024, Mersin, Türkiye, 2024, Accessed: 00, 2024. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85200925375&origin=inward.