Document Detail

Treatment planning for ferromagnetic seed heating.
MedLine Citation:
PMID:  2061119     Owner:  NLM     Status:  MEDLINE    
Computer simulations of ferromagnetic seed heating have been performed for the case of a single constant-temperature ferromagnetic seed. Results obtained from both 2-dimensional and 3-dimensional thermal models are compared to determine the appropriate use and limitations of the 2-dimensional model for the case of array implants. It has been determined that the 2-dimensional model that assumes infinite extent of the ferromagnetic seed(s) is applicable for calculating the thermal distribution in any plane perpendicular to the axes of the implant(s) up to 1 cm from the ends of the seed(s). The feasibility of spatially interspersed ferromagnetic and radioactive seeds for concurrent hyperthermia and brachytherapy has also been studied. The steady-state temperature distribution within an array of ferromagnetic seed implant has been examined as a function of implant spacing and blood perfusion rate. The results have been quantified in generalized histograms that are readily applicable to pre-treatment planning.
R B Chin; P R Stauffer
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  International journal of radiation oncology, biology, physics     Volume:  21     ISSN:  0360-3016     ISO Abbreviation:  Int. J. Radiat. Oncol. Biol. Phys.     Publication Date:  1991 Jul 
Date Detail:
Created Date:  1991-08-08     Completed Date:  1991-08-08     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  7603616     Medline TA:  Int J Radiat Oncol Biol Phys     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  431-9     Citation Subset:  IM    
Department of Radiation Oncology, University of Rochester, NY 14642.
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MeSH Terms
Computer Simulation*
Ferric Compounds / therapeutic use*
Hyperthermia, Induced / instrumentation,  methods*
Grant Support
Reg. No./Substance:
0/Ferric Compounds; 1317-54-0/ferrite

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