Advanced Physics for Brachytherapy 2018

Example for HDR 192 Ir BT source for breast balloon applicator

Category

Optimum level

Assumptions

Interfraction/Intrafraction changes between imaging and dose delivery 7%* For one treatment plan per applicator insertion and measures to detect major variations for subsequent fractions.

Total dosimetric uncertainty

13% For treatment delivered with the same BT source.

*Estimated value based on expert discussion

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