Alternating-Frequency Microwave Hyperthermia: Preliminary Results

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Özet

Microwave hyperthermia therapy for breast cancer supports chemotherapy and radiotherapy. The tumor temperature levels are increased using the heat energy emitted from the microwave sources, while the energy is optimized to minimally affect the non-cancerous regions. Introducing different frequency radiation can increase the energy-focusing sensitivity. However, a simultaneous multi-frequency radiation can be challenging when the power and phase requirements for the electromagnetic wave emitted for each frequency are different. This paper presents a frequency alteration approach. The optimized energy distributions for two frequencies were introduced in turns to the breast phantom after each other. The duration for each turn is optimized to obtain the best temperature focusing over the phantom. The alternating-frequency final temperature distribution has an 11.8% higher target-to-breast temperature ratio, 0.2°C lower healthy tissue temperature values and 11%-20% lower hotspot-to-target temperature ratio compared to the single-frequency results.

Orijinal dilİngilizce
Ana bilgisayar yayını başlığı2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2023 - Proceedings
YayınlayanInstitute of Electrical and Electronics Engineers Inc.
Sayfalar785-786
Sayfa sayısı2
ISBN (Elektronik)9781665442282
DOI'lar
Yayın durumuYayınlandı - 2023
Etkinlik2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2023 - Portland, United States
Süre: 23 Tem 202328 Tem 2023

Yayın serisi

AdıIEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
Hacim2023-July
ISSN (Basılı)1522-3965

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???event.eventtypes.event.conference???2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2023
Ülke/BölgeUnited States
ŞehirPortland
Periyot23/07/2328/07/23

Bibliyografik not

Publisher Copyright:
© 2023 IEEE.

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