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To Investigate the Relationship Between end to end Accuracy and Quality Assurance Extent and Depth in Radiotherapy (E24017)

Quality control of the optical systems of a medical linear accelerator

The IAEA is coordinating a research project on Medical Physics aspects of Accuracy in Radiation Therapy and invites scientists to participate in a worldwide survey on the resources in their radiotherapy facility.

Please complete the Facility Questionnaire and return by email to MedPhys-Accuracy.Contact-Point@iaea.org.



Quality control of radiotherapy electron beams

Institutional protocols that quantify accuracy in Radiotherapy are becoming more important because technological advances have facilitated reduced treatment margins and higher dose gradients. More precise treatment delivery in turn limits the tolerance for error. This approach has resulted in concomitant increases in the amount, extent and depth of quality assurance and professional review points that are needed to ensure safe and effective treatment. Rapid advances in technology do not necessarily enable adequate systematic reflection on the impact of improved quality assurance on the accuracy achievable. It is also known that there is no cost benefit associated with the advanced techniques that demand improved quality assurance (Van de Werf, E. et al, The cost of radiotherapy in a decade of technology evolution. Radioth Oncol (102) 2012 148-153).

This study aims to establish whether there is a link between the quality assurance effort and the accuracy achievable, as measured by independent end to end phantom tests. A future phase could then confirm whether more accurate radiotherapy translates into improved clinical outcomes.