Hybrid RF-LCF interstitial implant

Leonid B. Leybovich; Nesrin Dogan; Anil Sethi

Hybrid RF-LCF interstitial implant

Leonid B. Leybovich, Nesrin Dogan, Anil Sethi

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Radio Frequency - Localized Current Field (RF-LCF) technique of interstitial hyperthermia delivery is able to provide volumetric control of power deposition in tissue when segmented electrodes are used. However, in the present form this technique is not practical because it requires two separate implants for the same tumor: one for hyperthermia and the other for radiotherapy delivery (the lumen of RF electrodes if filled with wires necessary to control power to each segment and can not be used for placement of radioactive sources). A hybrid implant for RF-LCF hyperthermia delivery for RF-LCF hyperthermia delivery was developed and studied theoretically and experimentally. In this implant, each segmented electrode is surrounded by four continuous electrodes that pass through vertices of a 1.5×1.5cm². These continuous electrodes can be used for placement of radioactive sources. The segmented electrodes pass through the center of each square and are used for volumetric control of power deposition. Thus, the proposed technique circumvents the major deficiency of the conventional volumetrically controlled RF-LCF hyperthermia.

Original language	English (US)
Title of host publication	Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
Publisher	IEEE
Number of pages	1
ISBN (Print)	0780356756
State	Published - Dec 1 1999
Externally published	Yes
Event	Proceedings of the 1999 IEEE Engineering in Medicine and Biology 21st Annual Conference and the 1999 Fall Meeting of the Biomedical Engineering Society (1st Joint BMES / EMBS) - Atlanta, GA, USA Duration: Oct 13 1999 → Oct 16 1999

Publication series

Name	Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
Volume	2
ISSN (Print)	0589-1019

Other

Other	Proceedings of the 1999 IEEE Engineering in Medicine and Biology 21st Annual Conference and the 1999 Fall Meeting of the Biomedical Engineering Society (1st Joint BMES / EMBS)
City	Atlanta, GA, USA
Period	10/13/99 → 10/16/99

ASJC Scopus subject areas

Signal Processing
Biomedical Engineering
Computer Vision and Pattern Recognition
Health Informatics

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Hybrid RF-LCF interstitial implant. / Leybovich, Leonid B.; Dogan, Nesrin; Sethi, Anil.

Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings. IEEE, 1999. (Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings; Vol. 2).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Leybovich, LB, Dogan, N & Sethi, A 1999, Hybrid RF-LCF interstitial implant. in Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings. Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings, vol. 2, IEEE, Proceedings of the 1999 IEEE Engineering in Medicine and Biology 21st Annual Conference and the 1999 Fall Meeting of the Biomedical Engineering Society (1st Joint BMES / EMBS), Atlanta, GA, USA, 10/13/99.

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abstract = "Radio Frequency - Localized Current Field (RF-LCF) technique of interstitial hyperthermia delivery is able to provide volumetric control of power deposition in tissue when segmented electrodes are used. However, in the present form this technique is not practical because it requires two separate implants for the same tumor: one for hyperthermia and the other for radiotherapy delivery (the lumen of RF electrodes if filled with wires necessary to control power to each segment and can not be used for placement of radioactive sources). A hybrid implant for RF-LCF hyperthermia delivery for RF-LCF hyperthermia delivery was developed and studied theoretically and experimentally. In this implant, each segmented electrode is surrounded by four continuous electrodes that pass through vertices of a 1.5×1.5cm2. These continuous electrodes can be used for placement of radioactive sources. The segmented electrodes pass through the center of each square and are used for volumetric control of power deposition. Thus, the proposed technique circumvents the major deficiency of the conventional volumetrically controlled RF-LCF hyperthermia.",

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N2 - Radio Frequency - Localized Current Field (RF-LCF) technique of interstitial hyperthermia delivery is able to provide volumetric control of power deposition in tissue when segmented electrodes are used. However, in the present form this technique is not practical because it requires two separate implants for the same tumor: one for hyperthermia and the other for radiotherapy delivery (the lumen of RF electrodes if filled with wires necessary to control power to each segment and can not be used for placement of radioactive sources). A hybrid implant for RF-LCF hyperthermia delivery for RF-LCF hyperthermia delivery was developed and studied theoretically and experimentally. In this implant, each segmented electrode is surrounded by four continuous electrodes that pass through vertices of a 1.5×1.5cm2. These continuous electrodes can be used for placement of radioactive sources. The segmented electrodes pass through the center of each square and are used for volumetric control of power deposition. Thus, the proposed technique circumvents the major deficiency of the conventional volumetrically controlled RF-LCF hyperthermia.

AB - Radio Frequency - Localized Current Field (RF-LCF) technique of interstitial hyperthermia delivery is able to provide volumetric control of power deposition in tissue when segmented electrodes are used. However, in the present form this technique is not practical because it requires two separate implants for the same tumor: one for hyperthermia and the other for radiotherapy delivery (the lumen of RF electrodes if filled with wires necessary to control power to each segment and can not be used for placement of radioactive sources). A hybrid implant for RF-LCF hyperthermia delivery for RF-LCF hyperthermia delivery was developed and studied theoretically and experimentally. In this implant, each segmented electrode is surrounded by four continuous electrodes that pass through vertices of a 1.5×1.5cm2. These continuous electrodes can be used for placement of radioactive sources. The segmented electrodes pass through the center of each square and are used for volumetric control of power deposition. Thus, the proposed technique circumvents the major deficiency of the conventional volumetrically controlled RF-LCF hyperthermia.

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