Zhong-Shan Deng

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Advancement of the recent micro/nanotechnology stimulates the renaissance of using magnetic micro/nanoparticles embedded in tissues for the target tumor hyperthermia. However, there is a strong lack of quantitative understanding of the temperature profiles thus induced by the applied external electromagnetic (EM) field, which may impede the successful(More)
In non-invasive thermal diagnostics, accurate correlations between the thermal image on skin surface and interior human pathophysiology are often desired, which require general solutions for the bioheat equation. In this study, the Monte Carlo method was implemented to solve the transient three-dimensional bio-heat transfer problem with non-linear boundary(More)
In tumor thermotherapy treatment, it is very difficult to achieve the objective of exactly killing the tumor while minimizing the injury of healthy tissues or organs surrounding the tumor. In this study, we describe a new minimally invasive thermotherapy protocol for tumor treatment using heat released from an exothermic chemical reaction, which can safely(More)
Therapeutic hyperthermia is a procedure that involves heating tissues to a higher temperature level, typically ranging from 41 degrees C to 45 degrees C. Its combination with radiotherapy and/or chemotherapy has been performed for many years, with remarkable success in treating advanced and recurrent cancers. The current hyperthermia strategies generally(More)
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In clinics, the minimally invasive freezing therapy, commonly known as cryosurgery, has been increasingly used for the controlled destruction of tumor tissue. However, there are still many bottlenecks to impede the success of a cryosurgery. One of the most critical factors has been that insufficient or inappropriate freezing will not completely destroy the(More)
Noninvasively measuring the tissue blood perfusion has been an important however difficult problem in the biomedical engineering field. Based on the newly developed phase-shift principle, an improved sinusoidal heating method to estimate the perfusion was proposed in this paper to replace the original heating algorithm. The phase shift between the(More)
Infrared imaging has frequently been used in clinics to detect changes in skin surface temperature associated with some superficial tumors. In order to accurately detect and diagnose tumors (especially in their early stages) using infrared thermography, enhancement of thermal expression on the skin over the tumor is desired. This study proposed a novel(More)
For accurate predictions of the tissue temperature distribution during cryosurgery a thermal model should incorporate the individual impact of large blood vessels. In presence of large vessel, configuring cryoprobe becomes very important because misplacement of cryoprobes may result in either inadequate cooling temperatures in the target tissue due to the(More)
Local thermal enhancement in target tissue is of great interest in tumor hyperthermia. In this study, we proposed a brand-new thermal enhancement protocol for tumor hyperthermia using heat generated from thermogenesis evoked by capsaicin, which can safely deliver a totally localized heating to target tissue. A healthy male volunteer was recruited, whose(More)