Molecular Imaging 2017

398 / 1241

78%
4% 7% 4% 7%
Which (semi-)automatic method are you using
for PET based target volume delineation?
A. Only manual.
B. Absolute SUV
threshold (e.g.
SUV=2.5)
C. Relative SUV
threshold (e.g.
Th=50%SUVmax)
D. Source-to-
Background methods
E. Grandient-based
auto-contouring
13