• An average of 4 mm
registration error
between PET-CT to
planning CT
• A diagnostic PET-CT
has no larger
registration errors
than a planning PET-
CT (if arms are
positioned above the
head)
Yap et al. 2010; Clin
Oncol. 22:554-560
PET and CT registration:
planning CT and CT of the PET-CT
and CT registra ion:
l nning CT and CT of the PET-CT