Physics Athens 2016

IMRT on CyberKnife

Accuray CyberKnife

“Replacing the ‘classic’ collimation with static conical collimators or a circular diaphragm (IRIS) ” Radiosurgery device Beam motion 6 DOF Small field circular fields Non-flattened beam Plans with a few 100s of beams/nodes No posterior beams Light weight linac on a moving robot

CyberKnife treatment plan

Transversal beam profile

Adler et al. Stereotact Funct Neurosurg. 1997, Nuyttens et al. Acta Onc. 2006