756 / 1778
Static
shielding
From: Gifford KA, et al. Int J Radiat Oncol Biol Phys 2005
Reduced bladder & rectal D
Limited imaging possibilities!
• Artifacts on CT
• Lack of MRI compatibility
Uncertainty: target shielding?
Manchester style
Varian
Tungsten
Fletcher style
Nucletron/Elekta
Tungsten