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Vienna, Austria

ESTRO 2023

Session Item

Monday
May 15
15:00 - 16:15
Strauss 3
This house believes that there is no role for the plan libraries approach in the era of real-time adaptive radiotherapy
Ludwig Van den Berghe, Belgium;
Monica Buijs, The Netherlands
As it is nowadays possible to correct for internal organ motion “on the fly” using real-time imaging as a GPS on the search for cancer, the question can be raised if adaptive strategies like the library of plan approaches are still of use. Library of plan approaches are widely used for example for bladder, cervix, rectal and for stomach cancer. On the other sides, real-time adaptive radiotherapy might also not even be perfect. In the debate there will be discussed whether there is still a role for the plan libraries approach in the era of real-time adaptive radiotherapy.
Debate
RTT
15:03 - 15:23
For the motion
Lykke Kildegård Johansen, Denmark
SP-0864

Abstract

For the motion
Authors:

Lykke Kildegård Johansen1

1Rigshospitalet, Department of Oncology, Copenhagen, Denmark

Show Affiliations
Abstract Text

As a consequence of daily image guidance in the world of radiotherapy, we have expanded our knowledge regarding the everchanging human anatomy. It can be a struggle to handle this knowledge, because while the margins can be reduced, the target and organs at risk should ideally remain static intra- and inter-fractional during the entire treatment course. As we are all human beings, and especially when treating in the pelvic region, this is nearly impossible. Some of the strategies to cope with this could be having a Library of Plans to choose from or using real-time adaptation.

The patients spend more time on the couch when they are treated with online adaptive radiotherapy, and they have to get something in return. In the first part of this debate, I will do my best to provide the evidence, based on the advantages found in both literature and experience, that the real-time adaptation strategy is indeed the way going forward.