| Monte Carlo dose calculations in the treatment of a pelvis with implant and comparison with pencil-beam calculations. | |
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MedLine Citation:
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PMID: 14684187 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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In the present paper, dose distribution calculated with the Monte Carlo code EGS4 and with a pencil-beam algorithm are compared for the treatment of a pelvis with an implant. Overestimations of dose values inside the target volume by the pencil-beam algorithm of up to 10% were found, which are attributed to the underestimation of the absorption of photons by the implant. The differences in dose distributions are also expressed by comparing the tumor control probability (TCP) of the Monte Carlo dose calculations with the TCP of the pencil-beam calculations. A TCP reduction of order of 30% was found. |
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Authors:
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Wolfram U Laub; Fridtjof Nüsslin |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Medical dosimetry : official journal of the American Association of Medical Dosimetrists Volume: 28 ISSN: 0958-3947 ISO Abbreviation: Med Dosim Publication Date: 2003 |
Date Detail:
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Created Date: 2003-12-19 Completed Date: 2004-04-13 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 8908862 Medline TA: Med Dosim Country: United States |
Other Details:
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Languages: eng Pagination: 229-33 Citation Subset: IM |
Affiliation:
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Department of Radiation Oncology, Legacy Health System, Portland, OR, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Algorithms Artifacts Hip Prosthesis* Humans Monte Carlo Method Pelvic Neoplasms / radiotherapy* Pelvis / radiation effects*, radiography Radiotherapy Dosage Radiotherapy Planning, Computer-Assisted* Radiotherapy, Conformal* Radiotherapy, High-Energy Tomography, X-Ray Computed |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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