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Standards Development
This draft standard specifies the procedure and related requirements of 3D dose measurement method based on scintillator for radiotherapy, including hardware composition, data processing method, measurement procedure and requirements, etc.
This standard is applicable to the measurement based on scintillator luminous reconstruction in the field of 3D dose measurement verification for radiotherapy. Other measurement methods based on luminous principle can be implemented by reference.
As the key of quality assurance and control, the dose measurement verification before radiotherapy can not only effectively reduce the risk of errors in the radiotherapy process, but also help to accurately and effectively formulate and implement the radiotherapy scenario, reduce the side effects of radiotherapy and the recurrence rate. With the development and application of dynamic radiotherapy technologies, such as IMRT and VMAT, the dose measurement verification of pre-treatment scenarios has become particularly important and complex. The traditional two-dimensional dose measurement technology cannot provide 3D dose distribution with high spatial resolution in the relevant volume, which is difficult to meet the 3D dose measurement verification requirements of the precision radiotherapy technology. The scintillator-based 3D dose measurement technology is expected to solve the above pain point problem due to its advantages of high-resolution, real-time and comprehensive accurate 3D dose distribution measurement, which has become a research hotspot in the field of 3D dose measurement verification for precision radiotherapy, and is about to enter the clinical application stage. However, for this emerging technology field, the effective international standards have not been established, and there are some problems in actual clinical use and data processing methods; At the same time, the current dose measurement technology used in clinical cannot provide the highresolution 3D dose distribution data, which cannot meet the demand of precise radiotherapy technology for its dose verification. This proposal will provide scintillator-based 3D dose measurement methods, requirements and on-site operation procedures, solve the pain points of current 3D dose measurement verification of precision radiotherapy, and provide technical support to fully ensure the accurate implementation of the treatment scenarios.
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