Evaluation of mechanical and geometric accuracy of two different image guidance systems in radiotherapy
To assess the mechanical and the geometric accuracy of two different clinically used image guidance systems in radiotherapy for a period of 6 months. With the image guidance procedures being routine in the clinical radiotherapy department, the quality assurance tests for these systems become essenti...
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| Published in: | Reports of practical oncology and radiotherapy Vol. 21; no. 3; pp. 259 - 265 |
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| Main Authors: | , , |
| Format: | Journal Article |
| Language: | English |
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Elsevier Urban & Partner Sp. z o.o
01.05.2016
Elsevier |
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| ISSN: | 1507-1367, 2083-4640 |
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| Abstract | To assess the mechanical and the geometric accuracy of two different clinically used image guidance systems in radiotherapy for a period of 6 months.
With the image guidance procedures being routine in the clinical radiotherapy department, the quality assurance tests for these systems become essential. The mechanical and geometric accuracy of these systems are crucial since it directly affects patient treatment set-up and delivery.
We have assessed the mechanical and the geometric accuracy of two different image guidance systems (MV and kV based), being used clinically for a period of 6 months. The quality assurance tests such as imager positioning/repositioning, imaging and treatment beam isocentre coincidence, imager mechanical alignment, image scaling, geometric accuracy of cone beam computed tomography system, automatic image registration and offset calculation accuracy were assessed in this period.
It was found that both systems were mechanically and geometrically accurate within ±2mm in this period.
The quality assurance tests for MV based image guidance system were simple compared to kV based systems. We recommend performing periodic quality assurance tests to verify the integrity of both image guidance systems. |
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| AbstractList | To assess the mechanical and the geometric accuracy of two different clinically used image guidance systems in radiotherapy for a period of 6 months.
With the image guidance procedures being routine in the clinical radiotherapy department, the quality assurance tests for these systems become essential. The mechanical and geometric accuracy of these systems are crucial since it directly affects patient treatment set-up and delivery.
We have assessed the mechanical and the geometric accuracy of two different image guidance systems (MV and kV based), being used clinically for a period of 6 months. The quality assurance tests such as imager positioning/repositioning, imaging and treatment beam isocentre coincidence, imager mechanical alignment, image scaling, geometric accuracy of cone beam computed tomography system, automatic image registration and offset calculation accuracy were assessed in this period.
It was found that both systems were mechanically and geometrically accurate within ±2 mm in this period.
The quality assurance tests for MV based image guidance system were simple compared to kV based systems. We recommend performing periodic quality assurance tests to verify the integrity of both image guidance systems. To assess the mechanical and the geometric accuracy of two different clinically used image guidance systems in radiotherapy for a period of 6 months. With the image guidance procedures being routine in the clinical radiotherapy department, the quality assurance tests for these systems become essential. The mechanical and geometric accuracy of these systems are crucial since it directly affects patient treatment set-up and delivery. We have assessed the mechanical and the geometric accuracy of two different image guidance systems (MV and kV based), being used clinically for a period of 6 months. The quality assurance tests such as imager positioning/repositioning, imaging and treatment beam isocentre coincidence, imager mechanical alignment, image scaling, geometric accuracy of cone beam computed tomography system, automatic image registration and offset calculation accuracy were assessed in this period. It was found that both systems were mechanically and geometrically accurate within ±2mm in this period. The quality assurance tests for MV based image guidance system were simple compared to kV based systems. We recommend performing periodic quality assurance tests to verify the integrity of both image guidance systems. To assess the mechanical and the geometric accuracy of two different clinically used image guidance systems in radiotherapy for a period of 6 months.AIMTo assess the mechanical and the geometric accuracy of two different clinically used image guidance systems in radiotherapy for a period of 6 months.With the image guidance procedures being routine in the clinical radiotherapy department, the quality assurance tests for these systems become essential. The mechanical and geometric accuracy of these systems are crucial since it directly affects patient treatment set-up and delivery.BACKGROUNDWith the image guidance procedures being routine in the clinical radiotherapy department, the quality assurance tests for these systems become essential. The mechanical and geometric accuracy of these systems are crucial since it directly affects patient treatment set-up and delivery.We have assessed the mechanical and the geometric accuracy of two different image guidance systems (MV and kV based), being used clinically for a period of 6 months. The quality assurance tests such as imager positioning/repositioning, imaging and treatment beam isocentre coincidence, imager mechanical alignment, image scaling, geometric accuracy of cone beam computed tomography system, automatic image registration and offset calculation accuracy were assessed in this period.MATERIALS AND METHODSWe have assessed the mechanical and the geometric accuracy of two different image guidance systems (MV and kV based), being used clinically for a period of 6 months. The quality assurance tests such as imager positioning/repositioning, imaging and treatment beam isocentre coincidence, imager mechanical alignment, image scaling, geometric accuracy of cone beam computed tomography system, automatic image registration and offset calculation accuracy were assessed in this period.It was found that both systems were mechanically and geometrically accurate within ±2 mm in this period.RESULTSIt was found that both systems were mechanically and geometrically accurate within ±2 mm in this period.The quality assurance tests for MV based image guidance system were simple compared to kV based systems. We recommend performing periodic quality assurance tests to verify the integrity of both image guidance systems.CONCLUSIONThe quality assurance tests for MV based image guidance system were simple compared to kV based systems. We recommend performing periodic quality assurance tests to verify the integrity of both image guidance systems. Abstract Aim To assess the mechanical and the geometric accuracy of two different clinically used image guidance systems in radiotherapy for a period of 6 months. Background With the image guidance procedures being routine in the clinical radiotherapy department, the quality assurance tests for these systems become essential. The mechanical and geometric accuracy of these systems are crucial since it directly affects patient treatment set-up and delivery. Materials and methods We have assessed the mechanical and the geometric accuracy of two different image guidance systems (MV and kV based), being used clinically for a period of 6 months. The quality assurance tests such as imager positioning/repositioning, imaging and treatment beam isocentre coincidence, imager mechanical alignment, image scaling, geometric accuracy of cone beam computed tomography system, automatic image registration and offset calculation accuracy were assessed in this period. Results It was found that both systems were mechanically and geometrically accurate within ±2 mm in this period. Conclusion The quality assurance tests for MV based image guidance system were simple compared to kV based systems. We recommend performing periodic quality assurance tests to verify the integrity of both image guidance systems. |
| Author | Samuel, Emmanvelrajan James Jebaseelan Ravindran, Anand Mambakam Kanakavelu, Nithya |
| AuthorAffiliation | c Photonics, Nuclear and Medical Physics Division, VIT University, Vellore, India a Department of Radiation Oncology, Medwin Cancer Center, Hyderabad, India b Department of Radiation Oncology, SevenHills Hospital, Mumbai, India |
| AuthorAffiliation_xml | – name: a Department of Radiation Oncology, Medwin Cancer Center, Hyderabad, India – name: c Photonics, Nuclear and Medical Physics Division, VIT University, Vellore, India – name: b Department of Radiation Oncology, SevenHills Hospital, Mumbai, India |
| Author_xml | – sequence: 1 givenname: Nithya surname: Kanakavelu fullname: Kanakavelu, Nithya email: nithya8483@gmail.com organization: Department of Radiation Oncology, Medwin Cancer Center, Hyderabad, India – sequence: 2 givenname: Anand Mambakam surname: Ravindran fullname: Ravindran, Anand Mambakam organization: Department of Radiation Oncology, SevenHills Hospital, Mumbai, India – sequence: 3 givenname: Emmanvelrajan James Jebaseelan surname: Samuel fullname: Samuel, Emmanvelrajan James Jebaseelan organization: Photonics, Nuclear and Medical Physics Division, VIT University, Vellore, India |
| BackLink | https://www.ncbi.nlm.nih.gov/pubmed/27601959$$D View this record in MEDLINE/PubMed |
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| CitedBy_id | crossref_primary_10_3390_biomedicines10061401 crossref_primary_10_1016_j_canrad_2020_01_005 crossref_primary_10_1007_s12194_023_00726_1 crossref_primary_10_1016_j_rpor_2018_09_004 |
| Cites_doi | 10.1016/j.rpor.2015.03.002 10.1118/1.2362872 10.4103/0971-6203.89969 10.1118/1.3690466 10.1016/j.rpor.2014.08.002 10.1118/1.2775667 10.1088/0031-9155/52/3/011 10.1155/2014/705604 10.1016/j.semradonc.2009.11.007 10.1016/j.semradonc.2009.11.006 10.1016/j.meddos.2005.12.004 10.1016/j.rpor.2015.01.009 10.1118/1.2825619 10.1016/j.ijrobp.2006.10.048 10.1118/1.2752374 10.1016/j.rpor.2014.05.001 10.1118/1.3190392 10.1016/j.radonc.2007.10.035 10.1016/j.meddos.2005.12.010 10.1120/jacmp.v12i2.3435 10.1016/j.rpor.2015.01.002 10.1016/j.rpor.2013.12.001 |
| ContentType | Journal Article |
| Copyright | 2015 Greater Poland Cancer Centre Greater Poland Cancer Centre 2015 Greater Poland Cancer Centre. Published by Elsevier Sp. z o.o. All rights reserved. 2015 Greater Poland Cancer Centre |
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| Keywords | Image guidance Mechanical and geometric accuracy Quality assurance |
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| Notes | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 Address: Department of Radiation Oncology, SevenHills Hospital, Mumbai, India. Tel.: +91 9769569110. Address: Photonics, Nuclear and Medical Physics Division, VIT University, Vellore 632 014, India. Tel.: +91 0416 2202125. Present address: Photonics, Nuclear and Medical Physics Division, VIT University, Vellore 632 014, India. Tel.: +91 9618015142. |
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| PublicationTitle | Reports of practical oncology and radiotherapy |
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| Snippet | To assess the mechanical and the geometric accuracy of two different clinically used image guidance systems in radiotherapy for a period of 6 months.
With the... Abstract Aim To assess the mechanical and the geometric accuracy of two different clinically used image guidance systems in radiotherapy for a period of 6... To assess the mechanical and the geometric accuracy of two different clinically used image guidance systems in radiotherapy for a period of 6 months.AIMTo... |
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| SubjectTerms | Hematology, Oncology and Palliative Medicine Image guidance Mechanical and geometric accuracy Original Quality assurance Radiology |
| Title | Evaluation of mechanical and geometric accuracy of two different image guidance systems in radiotherapy |
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