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TEAM participation in the irradiation of IROC phantoms for cooperative group clinical trials.

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Title: TEAM participation in the irradiation of IROC phantoms for cooperative group clinical trials.
Authors: Saw, Cheng B.1 (AUTHOR) cbsaw2014@yahoo.com, Battin, Frank1 (AUTHOR), Churilla, Thomas1 (AUTHOR), Haggerty, Meghan1 (AUTHOR), Peters, Christopher A.1 (AUTHOR)
Source: Medical Dosimetry. Winter2024, Vol. 49 Issue 4, p321-327. 7p.
Subjects: Radiotherapy treatment planning, External beam radiotherapy, Volumetric-modulated arc therapy, Linear accelerators, Quality (Philosophy), Photon beams
Abstract: The participation of radiation oncology team members in the irradiation of Imaging and Radiation Oncology Core (IROC) phantom for cooperative group clinical trials is essential to comply with the latest quality management philosophy. Medical dosimetrists are expected to develop treatment plans for the irradiation of IROC phantoms. For advanced treatment techniques, such as three-dimensional conformal radiation therapy (3DCRT), intensity-modulated radiation therapy (IMRT), and volumetric-modulated arc therapy (VMAT), the irradiation of the IROC phantoms serves as quality audit. If successful, the irradiation processes demonstrate that the institution has the knowledge of the protocol, and has the appropriate equipment to comply with the protocol requirements. This article describes three IROC phantoms used for credentialing external beam photon beam therapy, delivered using conventional medical linear accelerators, to the medical dosimetry community. Guidance and strategies for the development of treatment plans are discussed. Our institutional irradiation of the three IROC phantoms, delivered using the Truebeam medical linear accelerator, resulted in consistent dose accuracy to within ±1%. The participation of the team members may reduce the overall published failing rate stated to be about one-third of all participating institutions. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:The participation of radiation oncology team members in the irradiation of Imaging and Radiation Oncology Core (IROC) phantom for cooperative group clinical trials is essential to comply with the latest quality management philosophy. Medical dosimetrists are expected to develop treatment plans for the irradiation of IROC phantoms. For advanced treatment techniques, such as three-dimensional conformal radiation therapy (3DCRT), intensity-modulated radiation therapy (IMRT), and volumetric-modulated arc therapy (VMAT), the irradiation of the IROC phantoms serves as quality audit. If successful, the irradiation processes demonstrate that the institution has the knowledge of the protocol, and has the appropriate equipment to comply with the protocol requirements. This article describes three IROC phantoms used for credentialing external beam photon beam therapy, delivered using conventional medical linear accelerators, to the medical dosimetry community. Guidance and strategies for the development of treatment plans are discussed. Our institutional irradiation of the three IROC phantoms, delivered using the Truebeam medical linear accelerator, resulted in consistent dose accuracy to within ±1%. The participation of the team members may reduce the overall published failing rate stated to be about one-third of all participating institutions. [ABSTRACT FROM AUTHOR]
ISSN:09583947
DOI:10.1016/j.meddos.2024.04.002