480 / 1481
Imaging-based vs. pathology-based GTV-N
Schinagl et al.
Eur J Nucl Med Mol Imaging
2013;40:1828-35.
• 12 pts/28 lymph node metastases
•
SCC of head-and-neck
•
Lymph node dissection
•
GTV-N (FDG-PET): manual
delineation (PET
VIS
) and threshold-
based autosegmentation (PET
SUV
)
•
FDG-PET slightly overestimates the volume of the GTV-N.
•
The GTV-N (CT) is closest to the “true” GTV-N.