Electron Beam modelling TrueBeam

[Bogdan Coroi]

Hi All

We are installing a True Beam at our facility. When adding electron cones for the TB, in Pinnacle, cone size, i.e. 20x20 cone, corresponds to 20cm by 20cm Field size(max). However the TRUE BEAM has different openings for the 20x20 cone, depending on the electron energy. When trying to export an Ebeam from Pinnacle to the TRUE BEAM, I get an error, because the field sizes are different. Should I change in Pinnacle the FS? Instead of 20x20, should I put the max FS that the TB sets up to?

 

thanks

 

 

Bogdan Coroi, MS, DABR,

Medical Physicist/RSO

CMMCC, Lewiston, ME

 

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