Dose 2016

Lessons learned from Epinal

Potential errors

o Wrong use of TPS due to lack of training + unsafe screen display #1 o Dose due to verification imaging (MV portal) not taken into account #2 o Calculation error due to in-house software, not tested, not qualified #3

Sole physicist

o

Prevention

o Time and organisation for continuous training

o Team of physicists (at least 2)

QA for software

o

o Software with safe human-computer interaction

o In vivo dosimetry and second independent calculation

Utrecht 2016