The 2.5mm HD120 High-Definition MultiLeaf Collimator: Characterization, IMRT Fluence Delivery and IMRT Treatment Planning


Chantel Audet, medical physicist from the Palo Alto Medical Foundation, discusses the 2.5 mm HD120 high definition multileaf collimator (MLC) and its characterization, IMRT fluence delivery and IMRT treatment planning. She begins by outlining the physical characteristics of the HD MLC including transmission and dosimetric leaf gap. She then delves into fluence delivery, dosimetry as well as the specifics of treatment planning and ends with her conclusions about the hardware.

About the speaker

Chantal Audet

Chantal Audet
Palo Alto Medical Foundation, USA


Video Transcript

Thank you. First, I'd like to start by thanking Brainlab and Varian for the opportunity to share our experience that we've achieved with the HD-MLC. This is the gang I've been working with, our radiation oncologist, our neurosurgeon, and my fellow physicist if you haven't figured that out already. We're basically two linac standard RT operation that's upgrading to radiosurgery next fall. And last fall, we had our Trilogy TX installed. And then, later on in January, we had our HD-MLC installed. And that's when our Trilogy TX magically turned into our Novalis TX. And we've since then treated 90...

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