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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...

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Autores principales: 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
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Wolters Kluwer - Medknow 2019
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.
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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(®)
title_full Evaluation and Validation of IBA I'MatriXX Array for Patient-Specific Quality Assurance of TomoTherapy(®)
title_fullStr Evaluation and Validation of IBA I'MatriXX Array for Patient-Specific Quality Assurance of TomoTherapy(®)
title_full_unstemmed Evaluation and Validation of IBA I'MatriXX Array for Patient-Specific Quality Assurance of TomoTherapy(®)
title_short Evaluation and Validation of IBA I'MatriXX Array for Patient-Specific Quality Assurance of TomoTherapy(®)
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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