Simulating blocks in treatment planning calculations
Identifieur interne : 000E89 ( Istex/Corpus ); précédent : 000E88; suivant : 000E90Simulating blocks in treatment planning calculations
Auteurs : D. P. Fontenla ; G. J. Kutcher ; T. J. LosassoSource :
- International Journal of Radiation Oncology, Biology, Physics [ 0360-3016 ] ; 1988.
Abstract
It is difficult to make an accurate calculation of dose distribution incorporating blocks using a ray model. One approach is to simulate the blocking in a treatment planning distribution by using negatively weighted beams. A second is to employ an external contour. The parameters of the negative beam or contour can be adjusted using empirical dosimetric data. This paper discusses the calculation of the dose distributions using negatively weighted beams and external contours, compares them with measurements in and around blocked areas for a range of field sizes, block sizes, and depths of interest in treatment planning applications, for 60Co, 6 MV, and 10 MV beams, and assesses their applicability.
Url:
DOI: 10.1016/0360-3016(89)90507-5
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Losasso</name><affiliation><mods:affiliation>Department of Medical Physics, Memorial Sloan-Kettering Cancer Center, 1275 York Ave., New York, NY 10021, USA</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:8BB49CE3E0902D1E64D3F0B42E375921119A4494</idno><date when="1989" year="1989">1989</date><idno type="doi">10.1016/0360-3016(89)90507-5</idno><idno type="url">https://api.istex.fr/document/8BB49CE3E0902D1E64D3F0B42E375921119A4494/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">000E89</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a">Simulating blocks in treatment planning calculations</title><author><name sortKey="Fontenla, D P" sort="Fontenla, D P" uniqKey="Fontenla D" first="D. P." last="Fontenla">D. P. Fontenla</name><affiliation><mods:affiliation>Department of Medical Physics, Memorial Sloan-Kettering Cancer Center, 1275 York Ave., New York, NY 10021, USA</mods:affiliation></affiliation></author><author><name sortKey="Kutcher, G J" sort="Kutcher, G J" uniqKey="Kutcher G" first="G. J." last="Kutcher">G. J. Kutcher</name><affiliation><mods:affiliation>Department of Medical Physics, Memorial Sloan-Kettering Cancer Center, 1275 York Ave., New York, NY 10021, USA</mods:affiliation></affiliation></author><author><name sortKey="Losasso, T J" sort="Losasso, T J" uniqKey="Losasso T" first="T. J." last="Losasso">T. J. 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One approach is to simulate the blocking in a treatment planning distribution by using negatively weighted beams. A second is to employ an external contour. The parameters of the negative beam or contour can be adjusted using empirical dosimetric data. This paper discusses the calculation of the dose distributions using negatively weighted beams and external contours, compares them with measurements in and around blocked areas for a range of field sizes, block sizes, and depths of interest in treatment planning applications, for 60Co, 6 MV, and 10 MV beams, and assesses their applicability.</div></front></TEI><istex><corpusName>elsevier</corpusName><author><json:item><name>D.P. Fontenla Ph.D.</name><affiliations><json:string>Department of Medical Physics, Memorial Sloan-Kettering Cancer Center, 1275 York Ave., New York, NY 10021, USA</json:string></affiliations></json:item><json:item><name>G.J. 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Losasso Ph.D.</name><affiliations><json:string>Department of Medical Physics, Memorial Sloan-Kettering Cancer Center, 1275 York Ave., New York, NY 10021, USA</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>Treatment planning</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Blocks</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Transmission</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Negatively weighted fields</value></json:item></subject><language><json:string>eng</json:string></language><abstract>It is difficult to make an accurate calculation of dose distribution incorporating blocks using a ray model. One approach is to simulate the blocking in a treatment planning distribution by using negatively weighted beams. A second is to employ an external contour. 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P. Fontenla, Ph.D.</note><affiliation>Reprint requests to: D. P. 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One approach is to simulate the blocking in a treatment planning distribution by using negatively weighted beams. A second is to employ an external contour. The parameters of the negative beam or contour can be adjusted using empirical dosimetric data. This paper discusses the calculation of the dose distributions using negatively weighted beams and external contours, compares them with measurements in and around blocked areas for a range of field sizes, block sizes, and depths of interest in treatment planning applications, for 60Co, 6 MV, and 10 MV beams, and assesses their applicability.</p></abstract><textClass><keywords scheme="keyword"><list><head>Keywords</head><item><term>Treatment planning</term></item><item><term>Blocks</term></item><item><term>Transmission</term></item><item><term>Negatively weighted fields</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="1988-09-29">Registration</change><change when="1988">Published</change></revisionDesc></teiHeader></istex:fulltextTEI></fulltext><metadata><istex:metadataXml wicri:clean="Elsevier, elements deleted: tail"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" </istex:xmlDeclaration><istex:docType PUBLIC="-//ES//DTD journal article DTD version 4.5.2//EN//XML" URI="art452.dtd" name="istex:docType"></istex:docType><istex:document><converted-article version="4.5.2" docsubtype="sco"><item-info><jid>ROB</jid><aid>89905075</aid><ce:pii>0360-3016(89)90507-5</ce:pii><ce:doi>10.1016/0360-3016(89)90507-5</ce:doi><ce:copyright type="unknown" year="1989"></ce:copyright></item-info><head><ce:dochead><ce:textfn>Technical innovation and note</ce:textfn></ce:dochead><ce:title>Simulating blocks in treatment planning calculations</ce:title><ce:author-group><ce:author><ce:given-name>D.P.</ce:given-name><ce:surname>Fontenla</ce:surname><ce:degrees>Ph.D.</ce:degrees><ce:cross-ref refid="COR1"><ce:sup>∗</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>G.J.</ce:given-name><ce:surname>Kutcher</ce:surname><ce:degrees>Ph.D.</ce:degrees></ce:author><ce:author><ce:given-name>T.J.</ce:given-name><ce:surname>Losasso</ce:surname><ce:degrees>Ph.D.</ce:degrees></ce:author><ce:affiliation><ce:textfn>Department of Medical Physics, Memorial Sloan-Kettering Cancer Center, 1275 York Ave., New York, NY 10021, USA</ce:textfn></ce:affiliation><ce:correspondence id="COR1"><ce:label>∗</ce:label><ce:text>Reprint requests to: D. P. Fontenla, Ph.D.</ce:text></ce:correspondence></ce:author-group><ce:date-accepted day="29" month="9" year="1988"></ce:date-accepted><ce:abstract><ce:section-title>Abstract</ce:section-title><ce:abstract-sec><ce:simple-para>It is difficult to make an accurate calculation of dose distribution incorporating blocks using a ray model. One approach is to simulate the blocking in a treatment planning distribution by using negatively weighted beams. A second is to employ an external contour. The parameters of the negative beam or contour can be adjusted using empirical dosimetric data. 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P. Fontenla, Ph.D.</description><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">G.J.</namePart><namePart type="family">Kutcher</namePart><namePart type="termsOfAddress">Ph.D.</namePart><affiliation>Department of Medical Physics, Memorial Sloan-Kettering Cancer Center, 1275 York Ave., New York, NY 10021, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">T.J.</namePart><namePart type="family">Losasso</namePart><namePart type="termsOfAddress">Ph.D.</namePart><affiliation>Department of Medical Physics, Memorial Sloan-Kettering Cancer Center, 1275 York Ave., New York, NY 10021, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="brief communication" displayLabel="Short communication"></genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">1988</dateIssued><dateValid encoding="w3cdtf">1988-09-29</dateValid><copyrightDate encoding="w3cdtf">1989</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="en">It is difficult to make an accurate calculation of dose distribution incorporating blocks using a ray model. 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This paper discusses the calculation of the dose distributions using negatively weighted beams and external contours, compares them with measurements in and around blocked areas for a range of field sizes, block sizes, and depths of interest in treatment planning applications, for 60Co, 6 MV, and 10 MV beams, and assesses their applicability.</abstract><note type="content">Section title: Technical innovation and note</note><subject><genre>Keywords</genre><topic>Treatment planning</topic><topic>Blocks</topic><topic>Transmission</topic><topic>Negatively weighted fields</topic></subject><relatedItem type="host"><titleInfo><title>International Journal of Radiation Oncology, Biology, Physics</title></titleInfo><titleInfo type="abbreviated"><title>ROB</title></titleInfo><genre type="Journal">journal</genre><originInfo><dateIssued encoding="w3cdtf">198903</dateIssued></originInfo><identifier type="ISSN">0360-3016</identifier><identifier type="PII">S0360-3016(00)X0350-1</identifier><part><date>198903</date><detail type="volume"><number>16</number><caption>vol.</caption></detail><detail type="issue"><number>3</number><caption>no.</caption></detail><extent unit="issue pages"><start>A1</start><end>A5</end></extent><extent unit="issue pages"><start>529</start><end>884</end></extent><extent unit="pages"><start>867</start><end>873</end></extent></part></relatedItem><identifier type="istex">8BB49CE3E0902D1E64D3F0B42E375921119A4494</identifier><identifier type="DOI">10.1016/0360-3016(89)90507-5</identifier><identifier type="PII">0360-3016(89)90507-5</identifier><recordInfo><recordContentSource>ELSEVIER</recordContentSource></recordInfo></mods></metadata><enrichments><istex:catWosTEI uri="https://api.istex.fr/document/8BB49CE3E0902D1E64D3F0B42E375921119A4494/enrichments/catWos"><teiHeader><profileDesc><textClass><classCode scheme="WOS">ONCOLOGY</classCode><classCode scheme="WOS">RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING</classCode><classCode scheme="WOS">REHABILITATION</classCode></textClass></profileDesc></teiHeader></istex:catWosTEI></enrichments><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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