Reducing interobserver variation of boost-CTV delineation in breast conserving radiation therapy using a pre-operative CT and delineation guidelines.

@article{Boersma2012ReducingIV,
  title={Reducing interobserver variation of boost-CTV delineation in breast conserving radiation therapy using a pre-operative CT and delineation guidelines.},
  author={Liesbeth J. Boersma and Tomas M Janssen and Paula H M Elkhuizen and Philip Poortmans and Maurice J C van der Sangen and Astrid N. Scholten and Bianca Hanbeukers and Joop C Duppen and Coen W. Hurkmans and Corine van Vliet},
  journal={Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology},
  year={2012},
  volume={103 2},
  pages={
          178-82
        }
}
AIMS To investigate whether using a pre-operative CT scan (Preop-CT) (1) decreases interobserver variation of boost-CTV delineation in breast conserving therapy (BCT), and (2) influences the size of the delineated volumes. PATIENTS AND METHODS Thirty cT1-2N0-1 breast cancer patients underwent a CT-scan in radiation treatment position, prior to and after lumpectomy. Five observers delineated a boost-CTV, both with and without access to the Preop-CT. For each patient and for each observer pair… CONTINUE READING

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