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EHNS-ESTRO H&N course
Florence, June 2016
Concepts behind selection and
delineation of target volumes in
radiotherapy
Vincent GREGOIRE, MD, PhD, Hon. FRCR
Head and Neck Oncology Program, Radiation
Oncology Dept. & Center for Molecular
Imaging, Radiotherapy and Oncology,
Université Catholique de Louvain, St-Luc
University Hospital, Brussels, Belgium
EHNS-ESTRO H&N course
Florence, June 2016
•
Gross Tumor Volume: GTV
•
Clinical Target Volume: CTV
• Planning Target Volume: PTV
• Organ at Risk (OAR)
• Planning Organ at Risk Volume
(PRV)
Target volumes in Radiation Oncology:
ICRU definition