Usefulness of Semi-cylindrical Beam Spoiler in Treatment of Early Glottic Cancer Using 6 MV Photon Beam
To assess the dosimetric influence of a semi-cylindrical beam spoiler (sCBS) for the treatment of early glottic cancer using a 6 MV photon beam. The 2D dose distributions were also calculated and measured with and without the sCBS and with a 0.5 cm thick bolus. A retrospective study of 8 patients tr...
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| Veröffentlicht in: | In vivo (Athens) 2022-01, Vol.36 (1), p.465-472 |
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| container_title | In vivo (Athens) |
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| creator | Shin, Seong Soo Ahn, Sohyun Baek, Seung-Hyup Kwak, Jungwon Kim, Jin Sung Ahn, Woo Sang |
| description | To assess the dosimetric influence of a semi-cylindrical beam spoiler (sCBS) for the treatment of early glottic cancer using a 6 MV photon beam.
The 2D dose distributions were also calculated and measured with and without the sCBS and with a 0.5 cm thick bolus. A retrospective study of 8 patients treated between 2012 and 2018 was performed.
The 2D dose distributions obtained from the treatment planning system (TPS) and film measurements were in good agreement. In the planning study, the V
, V
, conformal index (CI), and homogeneity index (HI) of all pPTVs for the sCBS plans were better than those for the open field plans (p |
| doi_str_mv | 10.21873/invivo.12726 |
| format | Article |
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The 2D dose distributions were also calculated and measured with and without the sCBS and with a 0.5 cm thick bolus. A retrospective study of 8 patients treated between 2012 and 2018 was performed.
The 2D dose distributions obtained from the treatment planning system (TPS) and film measurements were in good agreement. In the planning study, the V
, V
, conformal index (CI), and homogeneity index (HI) of all pPTVs for the sCBS plans were better than those for the open field plans (p<0.01). Especially, sCBS plans had better skin sparing effect than bolus plans (p<0.05).
The sCBS of the 6 MV photon beam could be a useful tool for the treatment of early glottic cancers.</description><identifier>ISSN: 0258-851X</identifier><identifier>EISSN: 1791-7549</identifier><identifier>DOI: 10.21873/invivo.12726</identifier><identifier>PMID: 34972750</identifier><language>eng</language><publisher>Greece: International Institute of Anticancer Research</publisher><subject>Humans ; Laryngeal Neoplasms - radiotherapy ; Radiometry ; Radiotherapy Dosage ; Radiotherapy Planning, Computer-Assisted ; Retrospective Studies</subject><ispartof>In vivo (Athens), 2022-01, Vol.36 (1), p.465-472</ispartof><rights>Copyright © 2022 International Institute of Anticancer Research (Dr. George J. Delinasios), All rights reserved.</rights><rights>Copyright 2022, International Institute of Anticancer Research 2022</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC8765191/pdf/$$EPDF$$P50$$Gpubmedcentral$$H</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC8765191/$$EHTML$$P50$$Gpubmedcentral$$H</linktohtml><link.rule.ids>230,314,723,776,780,881,27901,27902,53766,53768</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/34972750$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Shin, Seong Soo</creatorcontrib><creatorcontrib>Ahn, Sohyun</creatorcontrib><creatorcontrib>Baek, Seung-Hyup</creatorcontrib><creatorcontrib>Kwak, Jungwon</creatorcontrib><creatorcontrib>Kim, Jin Sung</creatorcontrib><creatorcontrib>Ahn, Woo Sang</creatorcontrib><title>Usefulness of Semi-cylindrical Beam Spoiler in Treatment of Early Glottic Cancer Using 6 MV Photon Beam</title><title>In vivo (Athens)</title><addtitle>In Vivo</addtitle><description>To assess the dosimetric influence of a semi-cylindrical beam spoiler (sCBS) for the treatment of early glottic cancer using a 6 MV photon beam.
The 2D dose distributions were also calculated and measured with and without the sCBS and with a 0.5 cm thick bolus. A retrospective study of 8 patients treated between 2012 and 2018 was performed.
The 2D dose distributions obtained from the treatment planning system (TPS) and film measurements were in good agreement. In the planning study, the V
, V
, conformal index (CI), and homogeneity index (HI) of all pPTVs for the sCBS plans were better than those for the open field plans (p<0.01). Especially, sCBS plans had better skin sparing effect than bolus plans (p<0.05).
The sCBS of the 6 MV photon beam could be a useful tool for the treatment of early glottic cancers.</description><subject>Humans</subject><subject>Laryngeal Neoplasms - radiotherapy</subject><subject>Radiometry</subject><subject>Radiotherapy Dosage</subject><subject>Radiotherapy Planning, Computer-Assisted</subject><subject>Retrospective Studies</subject><issn>0258-851X</issn><issn>1791-7549</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpVkUtLAzEURoMoWh9Lt5Klm9E8ZibJRtDiCxQFW3EX0iRTI5mkJtNC_71jW0VXd3EP536XD4BjjM4I5oyeu7Bwi3iGCSP1FhhgJnDBqlJsgwEiFS94hd_2wH7OHwjVDCGyC_ZoKRhhFRqA6TjbZu6DzRnGBr7Y1hV66V0wyWnl4ZVVLXyZRedtgi7AUbKqa23ovulrlfwS3vrYdU7DoQq6h8bZhSms4eMrfH6PXQwrxyHYaZTP9mgzD8D45no0vCsenm7vh5cPhaYl7QraMCEqpUuLsGbalLWmiIrJRDRW959UwiijEaOCcFyWnBtjsBaUG84Y0ZgegIu1dzaftNboPmlSXs6Sa1Vayqic_L8J7l1O40JyVldYfAtON4IUP-c2d7J1WVvvVbBxniWp-xCElJj1aLFGdYo5J9v8nsFIrsqR63LkqpyeP_mb7Zf-aYN-AStFjP0</recordid><startdate>20220101</startdate><enddate>20220101</enddate><creator>Shin, Seong Soo</creator><creator>Ahn, Sohyun</creator><creator>Baek, Seung-Hyup</creator><creator>Kwak, Jungwon</creator><creator>Kim, Jin Sung</creator><creator>Ahn, Woo Sang</creator><general>International Institute of Anticancer Research</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20220101</creationdate><title>Usefulness of Semi-cylindrical Beam Spoiler in Treatment of Early Glottic Cancer Using 6 MV Photon Beam</title><author>Shin, Seong Soo ; Ahn, Sohyun ; Baek, Seung-Hyup ; Kwak, Jungwon ; Kim, Jin Sung ; Ahn, Woo Sang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c343t-3f7995ac4e01c7cd46c3039bb9fec85159dadc07392814488ddd1c938d8772c13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Humans</topic><topic>Laryngeal Neoplasms - radiotherapy</topic><topic>Radiometry</topic><topic>Radiotherapy Dosage</topic><topic>Radiotherapy Planning, Computer-Assisted</topic><topic>Retrospective Studies</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shin, Seong Soo</creatorcontrib><creatorcontrib>Ahn, Sohyun</creatorcontrib><creatorcontrib>Baek, Seung-Hyup</creatorcontrib><creatorcontrib>Kwak, Jungwon</creatorcontrib><creatorcontrib>Kim, Jin Sung</creatorcontrib><creatorcontrib>Ahn, Woo Sang</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>In vivo (Athens)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shin, Seong Soo</au><au>Ahn, Sohyun</au><au>Baek, Seung-Hyup</au><au>Kwak, Jungwon</au><au>Kim, Jin Sung</au><au>Ahn, Woo Sang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Usefulness of Semi-cylindrical Beam Spoiler in Treatment of Early Glottic Cancer Using 6 MV Photon Beam</atitle><jtitle>In vivo (Athens)</jtitle><addtitle>In Vivo</addtitle><date>2022-01-01</date><risdate>2022</risdate><volume>36</volume><issue>1</issue><spage>465</spage><epage>472</epage><pages>465-472</pages><issn>0258-851X</issn><eissn>1791-7549</eissn><abstract>To assess the dosimetric influence of a semi-cylindrical beam spoiler (sCBS) for the treatment of early glottic cancer using a 6 MV photon beam.
The 2D dose distributions were also calculated and measured with and without the sCBS and with a 0.5 cm thick bolus. A retrospective study of 8 patients treated between 2012 and 2018 was performed.
The 2D dose distributions obtained from the treatment planning system (TPS) and film measurements were in good agreement. In the planning study, the V
, V
, conformal index (CI), and homogeneity index (HI) of all pPTVs for the sCBS plans were better than those for the open field plans (p<0.01). Especially, sCBS plans had better skin sparing effect than bolus plans (p<0.05).
The sCBS of the 6 MV photon beam could be a useful tool for the treatment of early glottic cancers.</abstract><cop>Greece</cop><pub>International Institute of Anticancer Research</pub><pmid>34972750</pmid><doi>10.21873/invivo.12726</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| source | MEDLINE; EZB-FREE-00999 freely available EZB journals; PubMed Central |
| subjects | Humans Laryngeal Neoplasms - radiotherapy Radiometry Radiotherapy Dosage Radiotherapy Planning, Computer-Assisted Retrospective Studies |
| title | Usefulness of Semi-cylindrical Beam Spoiler in Treatment of Early Glottic Cancer Using 6 MV Photon Beam |
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