Search for dissertations about: "time reversal"

Showing result 1 - 5 of 75 swedish dissertations containing the words time reversal.

2. 1. Advances in Microwave Hyperthermia Treatment using Time Reversal

   Author : Hana Dobsicek Trefna; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; microwave hyperthermia; time reversal; microwave thermometry; annular phased array; amplifier system; treatment planning;

   Abstract : The last twenty years have seen many clinical studies showing the ability of hyperthermia to remarkably enhance response to radiation therapy and chemotherapy. The objective of hyperthermia treatment is to raise the temperature in tumors to therapeutic levels, for a sufficient period of time, in order to achieve cell death or render the cells more sensitive to ionizing radiation and/or chemotherapy. READ MORE

4. 2. Time Reversal Near Field Beamforming for Microwave Hyperthermia

   Author : Hana Trefna; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; annular phased array; time reversal; microwave hyperthermia; treatment planning; patch antenna; deep seated tumours;

   Abstract : .... READ MORE

5. 3. Towards a microwave hyperthermia system for head and neck tumors

   Author : Pegah Takook; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; head and neck tumors.; wideband antenna; time reversal; treat- ment planning; microwave hyperthermia;

   Abstract : Hyperthermia has shown the ability to enhance the performance of radiotherapyand chemotherapy in many clinical trials. The incidence of increased tissue toxicityas a result of high radiotherapy dose, made hyperthermia as a safe methodin combination with radiotherapy to enhance the treatment outcome. READ MORE

6. 4. Optimizing microwave hyperthermia antenna systems

   Author : Pegah Takook; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; head and neck tumors.; wideband antenna; microwave hyperthermia; time reversal;

   Abstract : This thesis presents design and optimization of a microwave hyperthermia antenna system for treatment of head and neck cancer as well as brain cancer. Hyperthermia has shown the ability to enhance the performance of radiotherapy and chemotherapy in many clinical trials. READ MORE

7. 5. Ultra wideband microwave hyperthermia for brain cancer treatment

   Author : Massimiliano Zanoli; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; ultra wideband; treatment planning; brain cancer; applicator design; time reversal; microwave hyperthermia;

   Abstract : Despite numerous clinical trials demonstrating that microwave hyperthermia is a powerful adjuvant modality in the treatment of cancers, there have been few instances where this method has been applied to brain tumors. The reason is a combination of anatomical and physiological factors in this site that require an extra degree of accuracy and precision in the thermal dose delivery. READ MORE