A Monte Carlo Interstitial Brachytherapy Study for AAPM TG-43 Dose Calculation Formalism in Heterogeneous Media

The precision of AAPM TG-43 dose calculation formalism in heterogeneous media has been studied based on the survey and evaluation of the status of interstitial brachytherapy. After a brief introduction of radioactive seeds ( 125 I, 192 Ir and 103 Pd) and AAPM TG-43 formalism, the radial dose rates c...

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Main Authors: Gang Song, Wu, Y.
Format: Conference Proceeding
Language:English
Subjects:
Biological tissues
Bones
Brachytherapy
Imaging phantoms
Implants
Monte Carlo methods
Neoplasms
Nonhomogeneous media
Nuclear and plasma sciences
Physics
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Wu, Y.
description The precision of AAPM TG-43 dose calculation formalism in heterogeneous media has been studied based on the survey and evaluation of the status of interstitial brachytherapy. After a brief introduction of radioactive seeds ( 125 I, 192 Ir and 103 Pd) and AAPM TG-43 formalism, the radial dose rates calculated by Monte Carlo code MCNP-4C and TG-43 formalism were compared with homogeneous and heterogeneous phantoms. The reason of errors between the results of the above two methods was analyzed, and modified dose rates constant were proposed and testified. With the updated dose rates constant, AAPM TG-43 formalism can predict the dose rate distribution accurately and rapidly in clinical.
doi_str_mv 10.1109/ICBBE.2008.246
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subjects Biological tissues
Bones
Brachytherapy
Imaging phantoms
Implants
Monte Carlo methods
Neoplasms
Nonhomogeneous media
Nuclear and plasma sciences
Physics
title A Monte Carlo Interstitial Brachytherapy Study for AAPM TG-43 Dose Calculation Formalism in Heterogeneous Media
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