Estimation of temperature distribution inside tissues heated by interstitial RF electrode hyperthermia systems

Uzunoglu, NK; Nikita, KS

dc.contributor.author	Uzunoglu, NK	en
dc.contributor.author	Nikita, KS	en
dc.date.accessioned	2014-03-01T01:07:08Z
dc.date.available	2014-03-01T01:07:08Z
dc.date.issued	1988	en
dc.identifier.issn	0018-9294	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/9819
dc.subject	Temperature Distribution	en
dc.subject.classification	Engineering, Biomedical	en
dc.subject.other	BIOLOGICAL MATERIALS - Tissue	en
dc.subject.other	TEMPERATURE DISTRIBUTION - Estimation	en
dc.subject.other	HEATED TISSUE	en
dc.subject.other	INTERSTITIAL RF ELECTRODE HYPERTHERMIA	en
dc.subject.other	SEMIINFINITE TISSUE MODEL	en
dc.subject.other	BIOMEDICAL ENGINEERING	en
dc.subject.other	algorithm	en
dc.subject.other	cancer	en
dc.subject.other	hyperthermia	en
dc.subject.other	methodology	en
dc.subject.other	radiofrequency	en
dc.subject.other	temperature	en
dc.subject.other	tissue	en
dc.subject.other	Body Temperature	en
dc.subject.other	Electrodes	en
dc.subject.other	Hyperthermia, Induced	en
dc.subject.other	Mathematics	en
dc.subject.other	Models, Biological	en
dc.title	Estimation of temperature distribution inside tissues heated by interstitial RF electrode hyperthermia systems	en
heal.type	journalArticle	en
heal.identifier.primary	10.1109/10.1373	en
heal.identifier.secondary	http://dx.doi.org/10.1109/10.1373	en
heal.language	English	en
heal.publicationDate	1988	en
heal.abstract	An analytical method is developed for the estimation of temperature distributions inside tissues heated by interstitial RF electrode hyperthermia systems. The computational method relies on a semi-infinite tissue model. The needle-shape RF electrodes are modeled with elongated spheroids. The heat transfer problem is treated in three dimensions. The localized current fields set up inside the tissue from the discrete implants are computed by employing electrostatic methods. Then the bioheat diffusion equation under a steady-state condition is solved to determine the temperature distributions inside superficial tissues. A Green's function technique is applied to solve the bioheat transfer equation. The heat removal due to the blood circulation is also taken into account. Analytical techniques are employed to treat the singularities in the vicinity of implanted electrodes. Numerical results are presented for several electrode configurations.The computational method presented relies on a semi-infinite tissue model. The needle-shaped RF electrodes are modeled with elongated spheroids. The heat transfer problem is treated in three dimensions. The Localized current fields set up inside the tissue from the discrete implants are computed by using electrostatic methods, and the bioheat diffusion equation under a steady-state condition is solved to determine the temperature distributions inside superficial tissues. A Green's-function technique is applied to solve the bioheat transfer equation. The heat removal due to blood circulation is also taken into account. Analytical techniques are used to treat the singularities in the vicinity of implanted electrodes. Numerical results are presented for several electrode configurations.	en
heal.publisher	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC	en
heal.journalName	IEEE Transactions on Biomedical Engineering	en
dc.identifier.doi	10.1109/10.1373	en
dc.identifier.isi	ISI:A1988M774600005	en
dc.identifier.volume	35	en
dc.identifier.issue	4	en
dc.identifier.spage	250	en
dc.identifier.epage	256	en