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Title:

4Pi Treatment Planning and Delivery for Cranial Radiosurgery

Topic:

Cranial neoplasia (benign)

Year:

2018

Speaker:

Robar James

Language:

English

Category:

Clinical talks

Interests:

Cranial neoplasia (benign)

Duration:

17:25

Date:

James Robar, PhD, from Queen Elizabeth II Health Science Centre at Dalhousie University in Halifax, Canada, discusses trajectory-based, also sometimes referred to as 4Pi delivery, treatment planning and delivery in cases of cranial radiosurgery. He begins by explaining the four algorithmic considerations of trajectory-based planning: Overlap between PTV and OAR, relative depth, QUANTEC dose weighting and promoting rapid dose fall-off. He then discusses in detail the generated overlap maps and how to navigate and optimize beam trajectories through them, as well as delivering the created plan.

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