IMRT
Intensity Modulated RT
4.1
3. 626
5. 877
%95
=
=
CI
Note CI not a “fair”
comparison
as dose is
95% of the lymph nodes,
ie 70% of boost dose
IMRT with Simultaneous
Integrated Boost
• Multiple MLC shaped segments per beam
Step and shoot with integrated boost, nodes to
55Gy, Prostate to 74 Gy
Dose escalation
Evolution towards IMRT
boost
target
OAR