March 3, 2026SHILAP Revista de lepidopterología0 citationsOpen Access

Standardising image registration and dose mapping for thoracic reirradiation: A national multi-centre benchmarking study

HSHella SandAalborg University Hospital DADennis Tideman ArpAalborg University Hospital MJMaria Fuglsang JensenAarhus University Hospital

Key Points

Significantly better consistency in OAR transfer using DIR over RIR is shown.
The study indicates reduced variability in EQD2-dose evaluations with DIR.
Observational analysis using case-control design was applied across multiple centers.
Support for DIR use may enhance reirradiation planning in lung cancer treatments.

Abstract

DIR provides significantly better consistency in transfer of OAR from CTprev to CTcurrent and reduces variability in EQD2-dose evaluations compared to RIR. This supports preferential use of DIR for reirradiation planning in lung cancer.

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