Target Volume Determination 2015

GTV delineation: PET & pathology

PET-CT delineation

Overlapping measurements

Pathology

lenght

Delineation modalities: 1. CT: manual

GTV

2. SUV bcg + 20% (SUV max – SUV bcg) 3. SUV bcg + 40% (SUV max – SUV bcg) 4. SUV 2.5; 5. 40% SUV max

automatic

Yu V. et al – Radiother Oncol. – 2009