Investigation of central electrode artefacts of ionisation chamber effect on dose calculation using advanced calculation algorithms AAA and Acuros XB
Aim:To investigate the central electrode artefact effect of different ion chambers in the verification phantom using the dose calculation algorithms Analytical Anisotropic Algorithm (AAA) and Acuros XB.Materials and methods:The dosimetric study was conducted using an in-house fabricated polymethyl m...
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| Veröffentlicht in: | Journal of radiotherapy in practice 2021-09, Vol.20 (3), p.351-356 |
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| creator | Shaiju, V. S. Kumar, Rajesh Rajasekhar, K. V. Zacharia, George Phani, Debjani Bhasi, Saju Nair, Raghuram K |
| description | Aim:To investigate the central electrode artefact effect of different ion chambers in the verification phantom using the dose calculation algorithms Analytical Anisotropic Algorithm (AAA) and Acuros XB.Materials and methods:The dosimetric study was conducted using an in-house fabricated polymethyl methacrylate head phantom. The treatment planning system (TPS)-calculated doses in the phantom with detectors were compared against the dummy detector fillets using AAA and Acuros XB algorithm. The planned and measured doses were compared for the study.Results:The mean percentage variation in volumetric-modulated arc therapy plans using Acuros XB and the measurement in the head phantom are statistically significant (p-value = 0.001) for FC65 and CC13 chambers. In small volume chambers (A14SL and CC01), the measured and TPS-calculated dose shows a good agreement.Findings:The study confirmed the CT set of the phantom with detectors (FC65 and CC13) give more artefacts/heterogeneity caused a significant variation in dose calculation using Acuros XB. Therefore, the study suggests a method of using phantom CT set with the dummy detector for mean dose calculation for the Acuros XB algorithm. |
| doi_str_mv | 10.1017/S1460396920000448 |
| format | Article |
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S. ; Kumar, Rajesh ; Rajasekhar, K. V. ; Zacharia, George ; Phani, Debjani ; Bhasi, Saju ; Nair, Raghuram K</creator><creatorcontrib>Shaiju, V. S. ; Kumar, Rajesh ; Rajasekhar, K. V. ; Zacharia, George ; Phani, Debjani ; Bhasi, Saju ; Nair, Raghuram K</creatorcontrib><description>Aim:To investigate the central electrode artefact effect of different ion chambers in the verification phantom using the dose calculation algorithms Analytical Anisotropic Algorithm (AAA) and Acuros XB.Materials and methods:The dosimetric study was conducted using an in-house fabricated polymethyl methacrylate head phantom. The treatment planning system (TPS)-calculated doses in the phantom with detectors were compared against the dummy detector fillets using AAA and Acuros XB algorithm. The planned and measured doses were compared for the study.Results:The mean percentage variation in volumetric-modulated arc therapy plans using Acuros XB and the measurement in the head phantom are statistically significant (p-value = 0.001) for FC65 and CC13 chambers. In small volume chambers (A14SL and CC01), the measured and TPS-calculated dose shows a good agreement.Findings:The study confirmed the CT set of the phantom with detectors (FC65 and CC13) give more artefacts/heterogeneity caused a significant variation in dose calculation using Acuros XB. Therefore, the study suggests a method of using phantom CT set with the dummy detector for mean dose calculation for the Acuros XB algorithm.</description><identifier>ISSN: 1460-3969</identifier><identifier>EISSN: 1467-1131</identifier><identifier>DOI: 10.1017/S1460396920000448</identifier><language>eng</language><publisher>Cambridge, UK: Cambridge University Press</publisher><subject>Algorithms ; Detectors ; Dosimetry ; Electrodes ; Heterogeneity ; Ionization chambers ; Mathematical analysis ; Original Article ; Patients ; Polymethyl methacrylate ; Polymethylmethacrylate ; Quality control ; Sensors ; Statistical analysis</subject><ispartof>Journal of radiotherapy in practice, 2021-09, Vol.20 (3), p.351-356</ispartof><rights>The Author(s), 2020. Published by Cambridge University Press</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c317t-825de46944138b48ec58bee70e49ce4a8f27c2404969197506f3718d51ca21b43</citedby><cites>FETCH-LOGICAL-c317t-825de46944138b48ec58bee70e49ce4a8f27c2404969197506f3718d51ca21b43</cites><orcidid>0000-0002-6390-0669</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.cambridge.org/core/product/identifier/S1460396920000448/type/journal_article$$EHTML$$P50$$Gcambridge$$H</linktohtml><link.rule.ids>164,314,777,781,27905,27906,55609</link.rule.ids></links><search><creatorcontrib>Shaiju, V. S.</creatorcontrib><creatorcontrib>Kumar, Rajesh</creatorcontrib><creatorcontrib>Rajasekhar, K. V.</creatorcontrib><creatorcontrib>Zacharia, George</creatorcontrib><creatorcontrib>Phani, Debjani</creatorcontrib><creatorcontrib>Bhasi, Saju</creatorcontrib><creatorcontrib>Nair, Raghuram K</creatorcontrib><title>Investigation of central electrode artefacts of ionisation chamber effect on dose calculation using advanced calculation algorithms AAA and Acuros XB</title><title>Journal of radiotherapy in practice</title><addtitle>J Radiother Pract</addtitle><description>Aim:To investigate the central electrode artefact effect of different ion chambers in the verification phantom using the dose calculation algorithms Analytical Anisotropic Algorithm (AAA) and Acuros XB.Materials and methods:The dosimetric study was conducted using an in-house fabricated polymethyl methacrylate head phantom. The treatment planning system (TPS)-calculated doses in the phantom with detectors were compared against the dummy detector fillets using AAA and Acuros XB algorithm. The planned and measured doses were compared for the study.Results:The mean percentage variation in volumetric-modulated arc therapy plans using Acuros XB and the measurement in the head phantom are statistically significant (p-value = 0.001) for FC65 and CC13 chambers. In small volume chambers (A14SL and CC01), the measured and TPS-calculated dose shows a good agreement.Findings:The study confirmed the CT set of the phantom with detectors (FC65 and CC13) give more artefacts/heterogeneity caused a significant variation in dose calculation using Acuros XB. Therefore, the study suggests a method of using phantom CT set with the dummy detector for mean dose calculation for the Acuros XB algorithm.</description><subject>Algorithms</subject><subject>Detectors</subject><subject>Dosimetry</subject><subject>Electrodes</subject><subject>Heterogeneity</subject><subject>Ionization chambers</subject><subject>Mathematical analysis</subject><subject>Original Article</subject><subject>Patients</subject><subject>Polymethyl methacrylate</subject><subject>Polymethylmethacrylate</subject><subject>Quality control</subject><subject>Sensors</subject><subject>Statistical analysis</subject><issn>1460-3969</issn><issn>1467-1131</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kM9KxDAQxoMouK4-gLeA52qmTZv2WBf_LCx4UMFbSdNJt0u3WZN2wQfxfU3tgoiYS8J8v29m8hFyCewaGIibZ-AJi7IkC5k_nKdHZOZLIgCI4Pj7zYJRPyVnzm1GhDMxI5_Lbo-ub2rZN6ajRlOFXW9lS7FF1VtTIZW2Ry1V70bZU42bYLWW2xItRa09Sn2lMg6pkq0a2gkZXNPVVFZ72SmsfkmyrY1t-vXW0TzPqewqmqvBGkffbs_JiZatw4vDPSev93cvi8dg9fSwXOSrQEUg-iAN4wp5knEOUVryFFWcloiCIc8UcpnqUKiQM-7_DZmIWaIjAWkVg5IhlDyak6up786a98HnUGzMYDs_sgjjJISUM8g8BROl_HbOoi52ttlK-1EAK8b0iz_pe0908PiMbFPV-NP6f9cXr-eIKQ</recordid><startdate>202109</startdate><enddate>202109</enddate><creator>Shaiju, V. 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S. ; Kumar, Rajesh ; Rajasekhar, K. V. ; Zacharia, George ; Phani, Debjani ; Bhasi, Saju ; Nair, Raghuram K</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c317t-825de46944138b48ec58bee70e49ce4a8f27c2404969197506f3718d51ca21b43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Algorithms</topic><topic>Detectors</topic><topic>Dosimetry</topic><topic>Electrodes</topic><topic>Heterogeneity</topic><topic>Ionization chambers</topic><topic>Mathematical analysis</topic><topic>Original Article</topic><topic>Patients</topic><topic>Polymethyl methacrylate</topic><topic>Polymethylmethacrylate</topic><topic>Quality control</topic><topic>Sensors</topic><topic>Statistical analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shaiju, V. S.</creatorcontrib><creatorcontrib>Kumar, Rajesh</creatorcontrib><creatorcontrib>Rajasekhar, K. V.</creatorcontrib><creatorcontrib>Zacharia, George</creatorcontrib><creatorcontrib>Phani, Debjani</creatorcontrib><creatorcontrib>Bhasi, Saju</creatorcontrib><creatorcontrib>Nair, Raghuram K</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Nursing & Allied Health Database</collection><collection>Toxicology Abstracts</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Biological Science Database</collection><collection>Nursing & Allied Health Premium</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><jtitle>Journal of radiotherapy in practice</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shaiju, V. S.</au><au>Kumar, Rajesh</au><au>Rajasekhar, K. V.</au><au>Zacharia, George</au><au>Phani, Debjani</au><au>Bhasi, Saju</au><au>Nair, Raghuram K</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation of central electrode artefacts of ionisation chamber effect on dose calculation using advanced calculation algorithms AAA and Acuros XB</atitle><jtitle>Journal of radiotherapy in practice</jtitle><addtitle>J Radiother Pract</addtitle><date>2021-09</date><risdate>2021</risdate><volume>20</volume><issue>3</issue><spage>351</spage><epage>356</epage><pages>351-356</pages><issn>1460-3969</issn><eissn>1467-1131</eissn><abstract>Aim:To investigate the central electrode artefact effect of different ion chambers in the verification phantom using the dose calculation algorithms Analytical Anisotropic Algorithm (AAA) and Acuros XB.Materials and methods:The dosimetric study was conducted using an in-house fabricated polymethyl methacrylate head phantom. The treatment planning system (TPS)-calculated doses in the phantom with detectors were compared against the dummy detector fillets using AAA and Acuros XB algorithm. The planned and measured doses were compared for the study.Results:The mean percentage variation in volumetric-modulated arc therapy plans using Acuros XB and the measurement in the head phantom are statistically significant (p-value = 0.001) for FC65 and CC13 chambers. In small volume chambers (A14SL and CC01), the measured and TPS-calculated dose shows a good agreement.Findings:The study confirmed the CT set of the phantom with detectors (FC65 and CC13) give more artefacts/heterogeneity caused a significant variation in dose calculation using Acuros XB. Therefore, the study suggests a method of using phantom CT set with the dummy detector for mean dose calculation for the Acuros XB algorithm.</abstract><cop>Cambridge, UK</cop><pub>Cambridge University Press</pub><doi>10.1017/S1460396920000448</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-6390-0669</orcidid></addata></record> |
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| subjects | Algorithms Detectors Dosimetry Electrodes Heterogeneity Ionization chambers Mathematical analysis Original Article Patients Polymethyl methacrylate Polymethylmethacrylate Quality control Sensors Statistical analysis |
| title | Investigation of central electrode artefacts of ionisation chamber effect on dose calculation using advanced calculation algorithms AAA and Acuros XB |
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