Evaluation of intensity modulated radiation therapy delivery system using a volumetric phantom on the basis of the task group 119 report of american association of physicists in medicine
The current work describes the implementation of the American Association of Physicists in Medicine (AAPM)'s Task Group 119 report on a volumetric phantom (Delta4, Scandidos, Uppsala, Sweden) following the stated dose goals, to evaluate the step-and-shoot intensity modulated radiation therapy (...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wolters Kluwer Medknow Publications
2017-01-01
|
| Series: | Journal of Medical Physics |
| Subjects: | |
| Online Access: | http://www.jmp.org.in/article.asp?issn=0971-6203;year=2017;volume=42;issue=1;spage=33;epage=41;aulast=Avgousti |
| _version_ | 1819093328142008320 |
|---|---|
| author | Raphaela Avgousti Christina Armpilia Ioannis Floros Christos Antypas |
| author_facet | Raphaela Avgousti Christina Armpilia Ioannis Floros Christos Antypas |
| author_sort | Raphaela Avgousti |
| collection | DOAJ |
| description | The current work describes the implementation of the American Association of Physicists in Medicine (AAPM)'s Task Group 119 report on a volumetric phantom (Delta4, Scandidos, Uppsala, Sweden) following the stated dose goals, to evaluate the step-and-shoot intensity modulated radiation therapy (IMRT) system. Delta4 consists of diode detectors, lying on two crossed planes, measuring the delivered dose, and providing two-dimensional dosimetric information. Seven plans of different goals and complexity were performed, with individual structure sets. TG199 structure sets and plans were transferred and implemented on the Delta4 phantom taking into account its cylindrical geometry. All plans were delivered with a 6 MV linear accelerator equipped with multileaf collimator of 1 cm thickness. Plan results for each test met the recommended dose goals. The evaluation was performed in terms of dose deviation, distance to agreement, and gamma index passing rate. In all test cases, the gamma index passing rate was measured >90%. Delta4 phantom has proven to be fast, applicable, and reliable for the step-and-shoot IMRT commissioning following TG119's recommended tests. Although AAPM's TG119 report is referring to the implementation of test plans that do not correspond to patient plans, it could be used as an evaluation tool of various IMRT systems, considering the local treatment planning system and the delivery system. |
| first_indexed | 2024-12-21T23:09:46Z |
| format | Article |
| id | doaj.art-ea2ca0cf553e4bc098d3136737de723f |
| institution | Directory Open Access Journal |
| issn | 0971-6203 1998-3913 |
| language | English |
| last_indexed | 2024-12-21T23:09:46Z |
| publishDate | 2017-01-01 |
| publisher | Wolters Kluwer Medknow Publications |
| record_format | Article |
| series | Journal of Medical Physics |
| spelling | doaj.art-ea2ca0cf553e4bc098d3136737de723f2022-12-21T18:47:05ZengWolters Kluwer Medknow PublicationsJournal of Medical Physics0971-62031998-39132017-01-01421334110.4103/0971-6203.202419Evaluation of intensity modulated radiation therapy delivery system using a volumetric phantom on the basis of the task group 119 report of american association of physicists in medicineRaphaela AvgoustiChristina ArmpiliaIoannis FlorosChristos AntypasThe current work describes the implementation of the American Association of Physicists in Medicine (AAPM)'s Task Group 119 report on a volumetric phantom (Delta4, Scandidos, Uppsala, Sweden) following the stated dose goals, to evaluate the step-and-shoot intensity modulated radiation therapy (IMRT) system. Delta4 consists of diode detectors, lying on two crossed planes, measuring the delivered dose, and providing two-dimensional dosimetric information. Seven plans of different goals and complexity were performed, with individual structure sets. TG199 structure sets and plans were transferred and implemented on the Delta4 phantom taking into account its cylindrical geometry. All plans were delivered with a 6 MV linear accelerator equipped with multileaf collimator of 1 cm thickness. Plan results for each test met the recommended dose goals. The evaluation was performed in terms of dose deviation, distance to agreement, and gamma index passing rate. In all test cases, the gamma index passing rate was measured >90%. Delta4 phantom has proven to be fast, applicable, and reliable for the step-and-shoot IMRT commissioning following TG119's recommended tests. Although AAPM's TG119 report is referring to the implementation of test plans that do not correspond to patient plans, it could be used as an evaluation tool of various IMRT systems, considering the local treatment planning system and the delivery system.http://www.jmp.org.in/article.asp?issn=0971-6203;year=2017;volume=42;issue=1;spage=33;epage=41;aulast=AvgoustiCommissioningintensity modulated radiation therapyquality assurancevolumetric phantom |
| spellingShingle | Raphaela Avgousti Christina Armpilia Ioannis Floros Christos Antypas Evaluation of intensity modulated radiation therapy delivery system using a volumetric phantom on the basis of the task group 119 report of american association of physicists in medicine Journal of Medical Physics Commissioning intensity modulated radiation therapy quality assurance volumetric phantom |
| title | Evaluation of intensity modulated radiation therapy delivery system using a volumetric phantom on the basis of the task group 119 report of american association of physicists in medicine |
| title_full | Evaluation of intensity modulated radiation therapy delivery system using a volumetric phantom on the basis of the task group 119 report of american association of physicists in medicine |
| title_fullStr | Evaluation of intensity modulated radiation therapy delivery system using a volumetric phantom on the basis of the task group 119 report of american association of physicists in medicine |
| title_full_unstemmed | Evaluation of intensity modulated radiation therapy delivery system using a volumetric phantom on the basis of the task group 119 report of american association of physicists in medicine |
| title_short | Evaluation of intensity modulated radiation therapy delivery system using a volumetric phantom on the basis of the task group 119 report of american association of physicists in medicine |
| title_sort | evaluation of intensity modulated radiation therapy delivery system using a volumetric phantom on the basis of the task group 119 report of american association of physicists in medicine |
| topic | Commissioning intensity modulated radiation therapy quality assurance volumetric phantom |
| url | http://www.jmp.org.in/article.asp?issn=0971-6203;year=2017;volume=42;issue=1;spage=33;epage=41;aulast=Avgousti |
| work_keys_str_mv | AT raphaelaavgousti evaluationofintensitymodulatedradiationtherapydeliverysystemusingavolumetricphantomonthebasisofthetaskgroup119reportofamericanassociationofphysicistsinmedicine AT christinaarmpilia evaluationofintensitymodulatedradiationtherapydeliverysystemusingavolumetricphantomonthebasisofthetaskgroup119reportofamericanassociationofphysicistsinmedicine AT ioannisfloros evaluationofintensitymodulatedradiationtherapydeliverysystemusingavolumetricphantomonthebasisofthetaskgroup119reportofamericanassociationofphysicistsinmedicine AT christosantypas evaluationofintensitymodulatedradiationtherapydeliverysystemusingavolumetricphantomonthebasisofthetaskgroup119reportofamericanassociationofphysicistsinmedicine |