Abstract
The Canadian Organization of Medical Physicists, in close partnership with the Canadian Partnership for Quality Radiotherapy has developed a series of Technical Quality Control (TQC) guidelines for radiation treatment equipment. These guidelines outline the performance objectives that equipment should meet in order to ensure an acceptable level of radiation treatment quality. The TQC guidelines have been rigorously reviewed and field tested in a variety of Canadian radiation treatment facilities. The development process enables rapid review and update to keep the guidelines current with changes in technology. This article presents the quality control guideline accelerator‐integrated cone‐beam systems for verification imaging that has resulted from this process.
Highlights
The Canadian Partnership for Quality Radiotherapy (CPQR) is an alliance among the three key national professional organizations involved in the delivery of radiation treatment in Canada: the Canadian Association of Radiation Oncology, the Canadian Organization of Medical Physicists, and the Canadian Association of Medical Radiation Technologists
The mandate of the CPQR is to support the universal availability of high quality and safe radiotherapy for all Canadians through system performance improvement and the development of consensus-based guidelines and indicators to aid in radiation treatment program development and evaluation
The development of the individual Technical Quality Control (TQC) guidelines is spearheaded by expert reviewers and involves broad stakeholder input from the medical physics and radiation oncology community.[1]
Summary
The Canadian Partnership for Quality Radiotherapy (CPQR) is an alliance among the three key national professional organizations involved in the delivery of radiation treatment in Canada: the Canadian Association of Radiation Oncology, the Canadian Organization of Medical Physicists, and the Canadian Association of Medical Radiation Technologists. This document contains detailed performance objectives and safety criteria for Accelerator-Integrated Cone-Beam Systems for Verification Imaging. KV-CBCT produces a full CT dataset that, below diagnostic quality, is generally adequate for directly targeting bone and, in some sites, soft tissue At this writing, two commercial systems are available in Canada: the On-Board ImagerTM (OBI) by Varian Medical Systems, Inc. All systems can produce two-dimensional (2D) images that can be registered with reference digitally reconstructed radiographs generated by treatment planning systems and three-dimensional (3D) datasets that can be aligned with the planning CT. Both the 2D and 3D approaches allow verification and correction of patient positioning prior to delivery of the therapeutic dose.
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