416 / 1084
Delineation
•
Again, ideally an intra-observer study should be performed in
combination with MRI and pathology data to assess the
treatment volumes.
•
In this exercise we will start with a conservative systematic
“guestimate” of 4mm.
•
Food for thought:
The well cited paper from Steenbakkers
et al.
comparing delineation in lung
without and with help from PET:
Observer variations (1 SD) without PET 10 mm, with PET … 4 mm!!
The PTV 2017 - D. Verellen
Van de Steene
et al
.
Radiother Oncol 2002
Steenbakkers
et al.
Radiother Oncol 2005