178 / 1544
Invasive frame-based: targeting
8
l
Novalis system:
g
Phantom posi,oning: frame-‐based vs. image-‐guided
g
Pa,ent set-‐up: frame-‐based vs. image-‐guided
•
Flex in the ring fixation
system when attached to the
couch
•
Torque due to placement of
the localizer device on the
ring
Int. J. Radiation Oncology Biol. Phys. 2009;74(3):913-919