ESTRO 2024 - Abstract Book

S4749

Physics - Quality assurance and auditing

ESTRO 2024

1. Dogan, N., Mijnheer, B. J., Padgett, K. R., Nalichowski, A., Wu, C., Nyflot, M. J., Olch, A. J., Papanikolaou, N., Shi, J., Holmes, S., Moran, J. M., & Greer, P. (2023). Use of electronic portal imaging devices for pre ‐ treatment and in vivo dosimetry patient ‐ specific IMRT and VMAT QA: Report of AAPM Task Group 307. Medical Physics, 50(8). https://doi.org/10.1002/mp.16536 2. Ezzell, G. A., Galvin, J. M., Low, D. A., Palta, J., Rosen, I. I., Sharpe, M. B., Xia, P., Xiao, Y., Liu, X., & Yu, C. (2003). Guidance document on delivery, treatment planning, and clinical implementation of IMRT: Report of the IMRT subcommittee of the AAPM radiation therapy committee. Medical Physics, 30(8), 2089–2115. https://doi.org/10.1118/1.1591194

3. Low, D. A., Moran, J. M., Dempsey, J. F., Dong, L., & Oldham, M. (2011). Dosimetry tools and techniques for IMRT. Medical Physics, 38(3), 1313–1338. https://doi.org/10.1118/1.3514120

4. Miften, M., Olch, A. J., Mihailidis, D., Moran, J. M., Pawlicki, T., Molineu, A., Li, H., Wijesooriya, K., Shi, J., Xia, P., Papanikolaou, N., & Low, D. A. (2018). Tolerance limits and methodologies for IMRT measurement ‐ based verification QA: Recommendations of AAPM Task Group No. 218. Medical Physics, 45(4). https://doi.org/10.1002/mp.12810

5. Bruce Thomadsen (2004). Quality Management in Medical Physics: General Concepts University of Wisconsin – Madison. AAPM 2004 meeting. https://www.aapm.org/meetings/amos2/pdf/26%20-4515-3485-838.pdf

6. Human Health Campus - Transitioning from 2-D Radiation Therapy to 3-D Conformal Radiation Therapy and Intensity Modulated Radiation Therapy: Training Material. (n.d.). https://humanhealth.iaea.org/HHW/RadiationOncology/Treatingpatients/Treatment_planning_and_techniques/Train ing_Course/index.html

7. Carlone, M., Cruje, C., Rangel, A., McCabe, R., Nielsen, M., & MacPherson, M. (2013). ROC analysis in patient specific quality assurance. Medical Physics, 40(4), 042103. https://doi.org/10.1118/1.4795757

8. McKenzie, E. M., Balter, P. A., Stingo, F. C., Jones, J., Followill, D. S., & Kry, S. F. (2014). Toward optimizing patient specific IMRT QA techniques in the accurate detection of dosimetrically acceptable and unacceptable patient plans. Medical Physics, 41(12). https://doi.org/10.1118/1.4899177

305

Poster Discussion

Geometric end-to-end accuracy determination of the online adaptive workflow on the 1.5 T MR-linac

Stijn Oolbekkink 1 , Jochem W.H. Wolthaus 1 , Bram van Asselen 1 , Georgios I. Kalaitzakis 2 , Evangelos Pappas 3 , Bas W. Raaymakers 1 1 University Medical Center Utrecht, Department of Radiotherapy, Utrecht, Netherlands. 2 University of Crete, Department of Medical Physics, Heraklion, Greece. 3 University of West Attica, Department of Biomedical Sciences, Radiology & Radiotherapy Sector, Athens, Greece

Purpose/Objective: