Temperature control and thermal dosimetry by microwave radiometry in hyperthermia

Dubois, L.; Sozański, Jarosław; Tessier, V.; Camart, J.C.; Fabre, J. J.; Pribetich, J.; Chive, M.

doi:10.1109/22.539932

Cited by 70 publications

(37 citation statements)

References 13 publications

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“…Unfortunately, this method is very expensive. The microwave radiometry is based on the principle of the Planck's radiation law, for instance on measurement of power noise radiated from the measured tissue [5][6][7]. The third method is ultrasonic (US) temperature measurement based on change of US wave velocity in heated area and scattering variation of US wave [8].…”

Section: ) Microwave Differential Tomographymentioning

confidence: 99%

Microwave Non-Invasive Temperature Monitoring Using Uwb Radar for Cancer Treatment by Hyperthermia

Fišer¹,

Helbig²,

Sachs³

et al. 2018

PIER

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Abstract-Objective:In this paper we present a study of a novel method to noninvasively monitor temperature during thermotherapy for instance in cancer treatment using M-sequence radar technology. The main objective is to investigate the temperature dependence of reflectivity in UWB radar signal in gelatine phantoms using electrically small antennas. Methods: The phantom was locally heated up, and consequently changes of signal reflectivity were observed. Results: An approximate linear relationship between temperature change and reflectivity variations was formulated. To show the potential of this approach we used an M-sequence MIMO radar system. The system was tested on breast-shape phantom with local heating by circulating water of controlled temperature. Delay and Sum algorithm was implemented for two-dimensional imaging. Significance: The article is a study of temperature measurement using UWB radar system for possible usage in thermotherapy.

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Section: ) Microwave Differential Tomographymentioning

confidence: 99%

Microwave Non-Invasive Temperature Monitoring Using Uwb Radar for Cancer Treatment by Hyperthermia

Fišer¹,

Helbig²,

Sachs³

et al. 2018

PIER

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“…Total power radiometric systems developed over the years for medical and other applications, are discussed in numerous papers [4][5][6], mainly consisting of radiometric systems with contacting antennas. Edrich and Hardee developed a different kind of system in 1974 [7], suggesting the use of a horn antenna with a dielectric lens attached to the input of a total power receiver at 45 GHz for the purpose of scanning an object.…”

Section: Introductionmentioning

confidence: 99%

Electromagnetic Analysis of a Non-Invasive 3d Passive Microwave Imaging System

Karanasiou¹,

Uzunoglu²,

Garetsos³

2004

PIER

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Abstract-A technique based on the Green's function theory is used in the present research in order to study theoretically the focusing properties of a constructed 3D non-invasive microwave imaging system, consisting of an ellipsoidal conductive cavity and a radiometric receiver. A double layered spherical human head model is placed on one focal point of the elliptical reflector, while the receiving antenna is placed on the other focus. Making use of the reciprocity theorem, the equivalent problem of the coupling between an elementary dipole and the double layered lossy dielectric human spherical model is solved. Numerical results concerning the electric field distribution inside the head model and in the rest of the cavity, at two operating frequencies (1.5 GHz and 3.5 GHz), are presented and compared to the results of an electromagnetic simulator. Finally, phantom experimental results validate the proof of concept and determine the temperature and spatial attributes of the system.

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“…This spontaneous radiation can be detected by a radiometer. This kind of devices has been widely studied [1] and used in many applications, from radioastronomy [2] to breast cancer detection [3,4] or industrial processes [5,6]. However, these devices are bulky and expensive to incorporate a large number of them as sensors in a production chain.…”

Section: Introductionmentioning

confidence: 99%

Experimental Study of a Low-Cost Radiometer for Hostile Scenarios

León

2015

PIER Letters

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Abstract-Noncontact temperature measurements in industrial scenarios present great variety of difficulties (dust, vapor. . . ). In this work, the authors study the use of a low-cost microwave power radiometer to measure the temperature of hot metal plate during its cooling with water. Two different radiometers, centred at different frequency bands, have been experimentally considered. The radiometers have been surrounded with a metal box to reduce undesirable radiation. Several experiments have been carried out, showing the ability of these radiometers to detect the cooling of the plates. A recalibration of the radiometer gain can be done to compensate the gain variation of the circuitry of the radiometers.

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Temperature control and thermal dosimetry by microwave radiometry in hyperthermia

Cited by 70 publications

References 13 publications

Microwave Non-Invasive Temperature Monitoring Using Uwb Radar for Cancer Treatment by Hyperthermia

Microwave Non-Invasive Temperature Monitoring Using Uwb Radar for Cancer Treatment by Hyperthermia

Electromagnetic Analysis of a Non-Invasive 3d Passive Microwave Imaging System

Experimental Study of a Low-Cost Radiometer for Hostile Scenarios

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