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ORIGINAL ARTICLE
Year : 2006  |  Volume : 2  |  Issue : 4  |  Page : 171-181

Dose concept of oncological hyperthermia: Heat-equation considering the cell destruction


Department of Biotechnics, St. Istvan University, Budapest, Hungary; OncoTherm, Budapest, Hungary

Correspondence Address:
A Szasz
Head of Biotechnics Department, St. Istvan University
Hungary
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-1482.29827

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We shall assume, of course, that the objective of hyperthermia is to destroy the malignant cells. Destruction definitely needs energy. Description and quality assurance of hyperthermia use the Pennes heat equation to describe the processes. However the energy balance of the Pennes-equation does not contain the hyperthermic cell-destruction energy, which is a mandatory factor of the process. We propose a generalization of the Pennes-equation, inducing the entire energy balance. The new paradigm could be a theoretical basis of the till now empirical dose-construction for oncological hyperthermia. The cell destruction is a non-equilibrium thermodynamical process, described by the equations of chemical reactions. The dynamic behavior (time dependence) has to be considered in this approach. We are going to define also a dose concept that can be objectively compared with other oncological methods. We show how such empirical dose as CEM43oC could be based theoretically as well.


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