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Aim of this study was to characterize the changes occurring in tissues undergoing microwave ablation, in order to more accurately predict the actual treated volume. Different experiments were conducted in restricted samples (10–40 mm side cubes) and in large samples of ex-vivo bovine liver, varying the deposited energy (60 W at 2.45 GHz, applied for 1–10 min). A comparison between pre- and post-ablation...
Microwave thermal ablations therapies are based on the absorption of an electromagnetic field at microwave frequencies to induce a very high and localized temperature increase to remove unhealthy tissue. The development of clinical protocols for treatment planning is strictly linked to the availability of numerical models able to correctly predict the procedure outcomes. In this paper, some numerical...
In this paper, the numerical and experimental evaluation of the dimension of the tissue's ablated area in microwave ablation procedures is discussed. The dependence of the temperature on time, both during and after the end of the ablation procedure, is studied both experimentally and numerically. Results show that the thermal lesion continues to grow after the end of the ablation procedure.
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