Science for Radiotherapy - Varian, Halcyon, Relexion Flashcards by Ellen Gibson | Brainscape

Q

What does the halcyon machine look like?

A

Like a CT scanner, with a bore

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Q

What are some advantages of Halcyon?

A

12 days to install and run up, compared to 4 weeks for a conventional linac
Smaller footprint

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Q

What is most attractive about VMAT?

A

Speed
Boosts can added simultaneously
SRS VMAT is possible

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Q

What are Halcyon MLCs like?

A

Move more quickly, needed for high doserate
penumbra is small and less dependant on leaf position

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