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Heating Properties of a Resonant Cavity Applicator for Brain Tumor Hyperthermia: TM-like Modes Permit Heat Production without Physical Contact

TADAO YABUHARA, YASUHIRO SHINDO, KAZUO KATO, HIDEAKI TAKAHASHI, TAKEO UZUKA, YUKIHIKO FUJII
2008 Thermal Medicine  
These results suggest that the proposed heating method using electromagnetic field patterns generated inside of a resonant cavity is capable of Resonant cavity use for brain tumor hyperthermia・T.  ...  This study utilized computer simulations and a current model of the new heating system. In this proposed heating method,a human head is placed in the gap of a re-entrant ty pe resonant cavity.  ...  Acknowledgments This work was supported in part by Grants in Aid for Scientific Research (B) (16390345) from the Ministry Education, Culture, Sports, Sciences, and Technology of Japan.  ... 
doi:10.3191/thermalmed.24.141 fatcat:xlxdbyrwq5bahe4elh56kaseoi

FDTD analysis of a noninvasive hyperthermia system for brain tumors

Sulafa M Yacoob, Noha S Hassan
2012 BioMedical Engineering OnLine  
This paper investigates design, modeling and simulation of a new non-invasive hyperthermia applicator system capable of effectively heating deep seated as well as superficial brain tumors using inexpensive  ...  Our study may provide a basis for a clinical applicator prototype capable of heating brain tumors.  ...  Acknowledgements The authors gratefully acknowledge the national cancer institute for providing the brain MRI data set.  ... 
doi:10.1186/1475-925x-11-47 pmid:22891953 pmcid:PMC3477032 fatcat:24r6a24oajfjna77saimi3xoba

Overview of bladder heating technology: matching capabilities with clinical requirements

Paul R. Stauffer, Gerard C. van Rhoon
2016 International Journal of Hyperthermia  
For NMIBC with Tis, Ta, and T1 tumors, the target to be heated is 69 well defined (~1 mm deep) and the technological demands for adequate heating of such shallow 70 depth tumors are relatively easily met  ...  For MIBC, i.e. tumor stages T2-T4a, the hyperthermia target extends to much 56 greater depths and a heating system for MIBC must be able to deposit significant power 57 throughout the bladder wall and  ...  The authors report no conflicts of interest. The authors alone are responsible for the content 514 and writing of the paper. 515  ... 
doi:10.3109/02656736.2016.1141239 pmid:26939993 pmcid:PMC4968693 fatcat:bubseu2zjvfdzb3t37gv5tfidi

Hyperthermia: Role and Risk Factor for Cancer Treatment

Sheetal Jha, Pramod Kumar Sharma, Rishabha Malviya
2016 Achievements in the Life Sciences  
Acknowledgments The authors are highly thankful to the Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida for providing the library facilities.  ...  For surface tumors, microwave heating at 434 MHz to 915 MHz is used while RF at 8-12 MHz is useful for heating of the deep-seated tumor. Heating with ultrasound is also feasible.  ...  By means of antennas or applicator emitting microwaves or radiowaves, superficial tumors can be heated, when placed on their surface with a contacting medium.  ... 
doi:10.1016/j.als.2016.11.004 fatcat:juyy4budl5hfnilyfx42bf6n5e

A New Heating Control Method for Effective Hyperthermia Treatment of a Brain Tumor Using the Resonant Cavity Applicator with a Segmented Dielectric Bolus
効果的な脳腫瘍ハイパーサーミアを目的とした空胴共振器加温方式の分割型誘電体ボーラによる新加温位置制御方法

YUYA ISEKI, HIDEAKI TAKAHASHI, TAKEO UZUKA, KAZUO KATO
2014 Thermal Medicine  
This paper describes a new heating control method of the proposed resonant cavity applicator for non-invasive brain tumor hy perthermia treatments.  ...  The proposed heating method covered approximately 97% of the brain tumor size without an undesirable hotspot.  ...  We are now planning to develop a new hyperthermia system which has the function to calculate the position and size of the brain tumor using an ultrasound imaging system.  ... 
doi:10.3191/thermalmed.30.41 fatcat:m3gsk2faebhltcmggz62k4aujy

"Quo Vadis" Oncologic Hyperthermia?

Andras Szasz
2013 Conference Papers in Medicine  
A new way gives shape to the development: heating in nanorange, which could solve most of the open problems in oncological hyperthermia.  ...  The discovery of electromagnetism gave new hopes a century ago; however, up to now it has been suffering from lack of wide applications.  ...  When application of hyperthermia arises, the dilemma widens: "to heat or not to heat"? Considering hyperthermia as a treatment option, new challenges occur: "How to heat? What to heat?  ... 
doi:10.1155/2013/201671 fatcat:zkh4soldr5abnoaqhmy4vbfgj4

Heating technology for malignant tumors: a review

H. Petra Kok, Erik N. K. Cressman, Wim Ceelen, Christopher L. Brace, Robert Ivkov, Holger Grüll, Gail ter Haar, Peter Wust, Johannes Crezee
2020 International Journal of Hyperthermia  
Methods for temperature measurement and the role of treatment planning to control treatments are discussed briefly, as well as future perspectives for heating technology for the treatment of tumors.  ...  This review presents an overview of clinical hyperthermia and ablation devices used for local, locoregional, and whole body therapy.  ...  The AMC-2 system has been developed for treatment of deep-seated advanced breast tumors and supraclavicular tumors [119] .  ... 
doi:10.1080/02656736.2020.1779357 pmid:32579419 fatcat:q6jgnvfiwfb5bcrwhkbujh4npa

THE FIRST CONGRESS OF THE ASIAN SOCIETY OF HYPERTHERMIC ONCOLOGY (ASHO)

1996 Thermal Medicine(Japanese Journal of Hyperthermic Oncology)  
new circuit in the RF a new interstitial Ir-192 remote after loading of deep-seated tumor . hyperthermia treatment may result in the further improvement of cancer system. $ Supported by National treatment  ...  The IATA has the advantages such as heating without the subcutaneous fat layer excesively, can be applied without contacting the surface of lesions.  ...  Mammalian Hsp40 is a homologue of bacterial DnaJ heat shock protein.  ... 
doi:10.3191/thermalmedicine.12.223 fatcat:r5q5fffirze4djgotifwpfkgxq

Biological effects of heat

E J Hall, L Roizin-Towle
1984 Cancer Research  
Heat is a weak mutagen and has not been shown to be a carcinogen; this is a most desirable property at a time of increasing concern for the oncogenic potential of agents used to treat cancer.  ...  The biological effects of heat appear to be favorable for its use to treat cancer. Heat kills cells in a predictable and repeatable way.  ...  Acknowledgments The authors take pleasure in acknowledging much useful advice in the prepa ration of this manuscript from Drs. Dennis Leeper, Leo Gerweck, WilliamC. Dewey, and Michael L. Freeman.  ... 
pmid:6467224 fatcat:ows3ifcah5exddmtjjcntbpwue

In situ forming implants for local chemotherapy and hyperthermia of bone tumors

M. Mohamed, G. Borchard, O. Jordan
2012 Journal of Drug Delivery Science and Technology  
The attenuation of the MW by the body hinders strongly their use for deep-seated tumors and thus MW-induced hyperthermia will preferably be used for superficial tumors.  ...  The main issues are to achieve a targeted, deep-seated and homogenous heat deposition at the tumor site while preserving healthy tissue.  ...  Thus, rate and duration of elution were tailored without affecting the cement's mechanical properties.  ... 
doi:10.1016/s1773-2247(12)50066-3 fatcat:tpwnxmopk5f7ledaz5frymdviu

Recent technological advancements in radiofrequency- and microwave-mediated hyperthermia for enhancing drug delivery

M.M. Paulides, H. Dobsicek Trefna, S. Curto, D.B. Rodrigues
2020 Advanced Drug Delivery Reviews  
The main challenge of hyperthermia is the distribution of state-of-the-art heating systems.  ...  This review introduces the physics of MW/RF hyperthermia, the current state-of-the-art systems for both localized and regional heating, and recent advancements in hyperthermia treatment guidance using  ...  radiation with/without hyperthermia (BSD-2000 system), the pathological CR (pCR) in the RCT group was seen only in 6.7% of patients, whereas in the RCHT group a pCR of 16.4% was achieved [118] .  ... 
doi:10.1016/j.addr.2020.03.004 pmid:32229271 fatcat:oiqawrriofg47gbpnwo75kze5m

Using a conformal water bolus to adjust heating patterns of microwave waveguide applicators

Paul R. Stauffer, Dario B. Rodrigues, Randolf Sinahon, Lyndsey Sbarro, Valeria Beckhoff, Mark D. Hurwitz, Thomas P. Ryan
2017 Energy-based Treatment of Tissue and Assessment IX  
the years following those early negative trials, there has been considerable development of new heating, thermometry, and treatment planning systems capable of significantly improved control of heat delivery  ...  Despite all this development activity, there remains only one clinical microwave hyperthermia system approved by the FDA for superficial hyperthermia in the US and that system was approved prior to the  ... 
doi:10.1117/12.2252208 fatcat:kexnrmhbx5flvgzl7yigqw2sa4

癌温熱治療のためのRF 加温装置の加温特性
Heating Properties of RF Heating Applicator for Hyperthermia Treatments

Yuya ISEKI
2017 RESEACH REPORTS National Institute of Technology,Hachinohe College  
This paper described about heating properties of RF (Radio Frequency) heating applicator for hyperthermia treatments.  ...  In the clinic, needle applicator is used to heat deep seated tumor. The advantages of this heating system is local and direct heating is possible.  ...  .: A support system in virtual reality for effective hyperthermia treatments: heating properties of needle applicator for brain tumors, Thermal Med, 27: 79-87, 2011. ε0:真空の誘電率、φ:電位、E:電界強度、Wh:加温熱エ ネルギー、  ... 
doi:10.24704/hnctech.51.0_65 fatcat:ynunpvyogfhwvml5wm23te2tje

Hyperthermia: How Can It Be Used?

Zhaleh Behrouzkia, Zahra Joveini, Behnaz Keshavarzi, Nazila Eyvazzadeh, Reza Zohdi Aghdam
2016 Oman Medical Journal  
A B S T R AC T Hyperthermia (HT) is a method used to treat tumors by increasing the temperature of the cells.  ...  There are three types of HT treatment, which each need the use of applicators that are in contact with or in the proximity of the patient for the purpose of heating.  ...  Radio frequency at 8-12 MHz is beneficial for heating deep-seated tumors whereas microwave heating at 434-915 MHz is beneficial for superficial tumors. Heating with ultrasound is also possible.  ... 
doi:10.5001/omj.2016.19 pmid:27168918 pmcid:PMC4861392 fatcat:zra3ryc45zgx7jdmffaqc2pzwq

Quality assurance guidelines for superficial hyperthermia clinical trials

Hana Dobšíček Trefná, Johannes Crezee, Manfred Schmidt, Dietmar Marder, Ulf Lamprecht, Michael Ehmann, Jacek Nadobny, Josefin Hartmann, Nicolleta Lomax, Sultan Abdel-Rahman, Sergio Curto, Akke Bakker (+4 others)
2017 Strahlentherapie und Onkologie (Print)  
These characteristics are essential to establish for each individual applicator the specific maximum size and depth of tumors that can be heated adequately.  ...  This document outlines the requirements for appropriate QA of all current superficial heating equipment including electromagnetic (radiative and capacitive), ultrasound, and infrared heating techniques  ...  without potentially painful patient contact.  ... 
doi:10.1007/s00066-017-1106-0 pmid:28251250 pmcid:PMC5405104 fatcat:pf2wwhrgnndnph5iuptsfrr3uu
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