International consensus guidelines on Clinical Target Volume delineation in rectal cancer

Vincenzo Valentini, Maria Antonietta Gambacorta, Brunella Barbaro, Claudio Coco, Giuditta Chiloiro, Francesco Fanfani, Prajnan Das, Ines Joye, Lisa Kachnic, Philippe Maingon, Corrie Marijnen, Samuel Ngan, Karin Haustermans

Risultato della ricerca: Contributo in rivistaArticolo in rivista

59 Citazioni (Scopus)

Abstract

Introduction The delineation of Clinical Target Volume (CTV) is a critical step in radiotherapy. Several guidelines suggest different subvolumes and anatomical boundaries in rectal cancer (RC), potentially leading to a misunderstanding in the CTV definition. International consensus guidelines (CG) are needed to improve uniformity in RC CTV delineation. Material and methods The 7 radiation oncologist experts defined a roadmap to produce RC CG. Step 1: revision of the published guidelines. Step 2: selection of RC cases with different clinical stages. Step 3: delineation of cases using Falcon following previously published guidelines. Step 4: meeting in person to discuss the initial delineation outcome, followed by a CTV proposal based on revised and if needed, adapted anatomical boundaries. Step 5: peer review of the agreed consensus. Step 6: peer review meeting to validate the final outcome. Step 7: completion of RC delineation atlases. Results A new ontology of structure sets was defined and the related table of anatomical boundaries was generated. The major modifications were about the lateral lymph nodes and the ischio-rectal fossa delineation. Seven RC cases were made available online as consultation atlases. Conclusion The definition of international CG for RC delineation endorsed by international experts might support a future homogeneous comparison between clinical trial outcomes.
Lingua originaleEnglish
pagine (da-a)195-201
Numero di pagine7
RivistaRadiotherapy and Oncology
Volume120
DOI
Stato di pubblicazionePubblicato - 2016

Keywords

  • Clinical Target Volume delineation
  • Consensus guidelines
  • Hematology
  • Oncology
  • Radiology, Nuclear Medicine and Imaging
  • Rectal cancer

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