Temperature Distribution of Human Tissue in Interstitial Microwave Hyperthermia

TL;DR

This paper models the temperature distribution in human liver tissue during interstitial microwave hyperthermia using finite element simulations of electromagnetic and heat transfer equations.

Contribution

It introduces a coupled electromagnetic and thermal model for interstitial microwave hyperthermia with a coaxial-slot antenna in liver tissue, solved via finite element method.

Findings

Temperature distribution profiles obtained from simulations.

Validation of the coupled model for hyperthermia treatment planning.

Insights into heat spread and tissue heating patterns.

Abstract

A model which is an example of local interstitial microwave hyperthermia is presented. A microwave coaxial-slot antenna placed in the liver tissue is the heat source. Due to the axial symmetry of the model, for simplification a two-dimensional case is considered. The presented issue is therefore a coupling of the electromagnetic field and the temperature field. Using the finite element method, the wave equation for TM wave case and the bioheat equation under steady-state condition have been solved. At the end the obtained simulation results are presented.