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Evaluation and Validation of IBA I'MatriXX Array for Patient-Specific Quality Assurance of TomoTherapy(®)
TomoTherapy(®) is a modern radiation treatment technique in which intensity-modulated radiation therapy (IMRT) is delivered in helical fashion. A two-dimensional (2D) array which has been existing for IMRT patient-specific quality assurance (PSQA) verifications for many years is I'MatriXX. Our...
Autores principales: | , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Wolters Kluwer - Medknow
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6764175/ https://www.ncbi.nlm.nih.gov/pubmed/31576071 http://dx.doi.org/10.4103/jmp.JMP_11_19 |
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author | Madhusudhana Sresty, N. V. N. Raju, A. Krishnam Reddy, B. Nagarjuna Sahithya, V. C. Mohmd, Yakub Kumar, G. Deleep Kumar, T. Anil Rushdi, Tasneem Aparna, S. Prasad, G. Durga Bajwa, Harjot Kaur |
author_facet | Madhusudhana Sresty, N. V. N. Raju, A. Krishnam Reddy, B. Nagarjuna Sahithya, V. C. Mohmd, Yakub Kumar, G. Deleep Kumar, T. Anil Rushdi, Tasneem Aparna, S. Prasad, G. Durga Bajwa, Harjot Kaur |
author_sort | Madhusudhana Sresty, N. V. N. |
collection | PubMed |
description | TomoTherapy(®) is a modern radiation treatment technique in which intensity-modulated radiation therapy (IMRT) is delivered in helical fashion. A two-dimensional (2D) array which has been existing for IMRT patient-specific quality assurance (PSQA) verifications for many years is I'MatriXX. Our objectives were to validate this I'MatriXX and to evaluate it for different patient sites and fractionation schedules of TomoTherapy treatment. Twenty-five plans were created with virtual target for different possible pitch values and field widths for validation. Gamma index criteria of 3%/2% dose differences and 3/2 mm distance to agreement were used. QA plans of 26 different treatment sites and different fractionation schedules were used. Results indicated that the matrix response is independent of field width, pitch, and modulation factor of TomoTherapy with 3%, 3 mm criteria. High passing rate ranging from 99.7% to 90.7% was observed for selected patient plans. We found that I'MatriXX 2D array can be utilized for easy and quick TomoTherapy PSQA. |
format | Online Article Text |
id | pubmed-6764175 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | Wolters Kluwer - Medknow |
record_format | MEDLINE/PubMed |
spelling | pubmed-67641752019-10-01 Evaluation and Validation of IBA I'MatriXX Array for Patient-Specific Quality Assurance of TomoTherapy(®) Madhusudhana Sresty, N. V. N. Raju, A. Krishnam Reddy, B. Nagarjuna Sahithya, V. C. Mohmd, Yakub Kumar, G. Deleep Kumar, T. Anil Rushdi, Tasneem Aparna, S. Prasad, G. Durga Bajwa, Harjot Kaur J Med Phys Technical Note TomoTherapy(®) is a modern radiation treatment technique in which intensity-modulated radiation therapy (IMRT) is delivered in helical fashion. A two-dimensional (2D) array which has been existing for IMRT patient-specific quality assurance (PSQA) verifications for many years is I'MatriXX. Our objectives were to validate this I'MatriXX and to evaluate it for different patient sites and fractionation schedules of TomoTherapy treatment. Twenty-five plans were created with virtual target for different possible pitch values and field widths for validation. Gamma index criteria of 3%/2% dose differences and 3/2 mm distance to agreement were used. QA plans of 26 different treatment sites and different fractionation schedules were used. Results indicated that the matrix response is independent of field width, pitch, and modulation factor of TomoTherapy with 3%, 3 mm criteria. High passing rate ranging from 99.7% to 90.7% was observed for selected patient plans. We found that I'MatriXX 2D array can be utilized for easy and quick TomoTherapy PSQA. Wolters Kluwer - Medknow 2019 /pmc/articles/PMC6764175/ /pubmed/31576071 http://dx.doi.org/10.4103/jmp.JMP_11_19 Text en Copyright: © 2019 Journal of Medical Physics http://creativecommons.org/licenses/by-nc-sa/4.0 This is an open access journal, and articles are distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as appropriate credit is given and the new creations are licensed under the identical terms. |
spellingShingle | Technical Note Madhusudhana Sresty, N. V. N. Raju, A. Krishnam Reddy, B. Nagarjuna Sahithya, V. C. Mohmd, Yakub Kumar, G. Deleep Kumar, T. Anil Rushdi, Tasneem Aparna, S. Prasad, G. Durga Bajwa, Harjot Kaur Evaluation and Validation of IBA I'MatriXX Array for Patient-Specific Quality Assurance of TomoTherapy(®) |
title | Evaluation and Validation of IBA I'MatriXX Array for Patient-Specific Quality Assurance of TomoTherapy(®)
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title_full | Evaluation and Validation of IBA I'MatriXX Array for Patient-Specific Quality Assurance of TomoTherapy(®)
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title_fullStr | Evaluation and Validation of IBA I'MatriXX Array for Patient-Specific Quality Assurance of TomoTherapy(®)
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title_full_unstemmed | Evaluation and Validation of IBA I'MatriXX Array for Patient-Specific Quality Assurance of TomoTherapy(®)
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title_short | Evaluation and Validation of IBA I'MatriXX Array for Patient-Specific Quality Assurance of TomoTherapy(®)
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title_sort | evaluation and validation of iba i'matrixx array for patient-specific quality assurance of tomotherapy(®) |
topic | Technical Note |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6764175/ https://www.ncbi.nlm.nih.gov/pubmed/31576071 http://dx.doi.org/10.4103/jmp.JMP_11_19 |
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