Protons
Gammaknife Cyberknife
Contralateral
eye
9-12mSv 402–2380 mSv 46–255 mSv
Thyroid
<10 mSv
190 mSv
196 mSv
Lower pelvis
4-7 mSv
13 mSv
117-132 mSv
Zytkovicz
et al
2007
Phys. Med. Biol.
52
5957-5971
4Pi treatments vs protons
Peripheral dose from ocular treatments