NONINVASIVE MICROWAVE MULTIFREQUENCY RADIOMETRY USED IN MICROWAVE HYPERTHERMIA FOR BIDIMENSIONAL RECONSTRUCTION OF TEMPERATURE PATTERNS

被引：27

作者：

DUBOIS, L ^{[1
]}

PRIBETICH, J ^{[1
]}

FABRE, JJ ^{[1
]}

CHIVE, M ^{[1
]}

MOSCHETTO, Y ^{[1
]}

机构：

[1] INSERM,U279,F-59800 LILLE,FRANCE

来源：

INTERNATIONAL JOURNAL OF HYPERTHERMIA | 1993年 / 9卷 / 03期

关键词：

MICROWAVE HYPERTHERMIA; MICROWAVE RADIOMETRY; THERMAL PROFILE;

D O I：

10.3109/02656739309005041

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

Microwave radiometry, used routinely since 1984 for non invasive temperature measurements during hyperthermia sessions for superficial tumours treatment has proven its efficiency for temperature control. From radiometric temperature measurements in two frequency ranges (around 1 and 3 GHz) and superficial (or cutaneous) temperature measurements achieved during hyperthermia sessions, a numerical method to obtain the two-dimensional thermal profile has been developed and implemented. This method is based on hyperthermia simulation from the bioheat equation, the absorbed microwave power calculation in the medium taking into account the radiative diagram of the applicator, and the calculation of radiometric temperatures. From these experimental measurements (radiometric and superficial temperatures, heating power, dielectric and thermal characteristics), a program to determine the bidimensional distribution of temperature during the hyperthermia session has been developed, tested and used during and after clinical treatments.

引用

页码：415 / 431

页数：17

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