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Minimizing the self-heating artefacts due to the microwave irradiation of thermocouples
P B Dunscombe1, R T Constable, J McLellan
1Department of Medical Physics, Manitoba Cancer Treatment and Research Foundation, Winnipeg, Canada.
Abstract:
The self-heating of metallic thermocouples in therapeutic microwave fields has long been recognized as a source of temperature artefacts in clinical hyperthermia dosimetry. We examine several techniques by which the probe and tissue heating artefacts resulting from self-heating may be quantitatively assessed, and discuss these in the context of their applicability to clinical hyperthermia.