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Dose calculation – AAPM-TG43
AAPM-TG43 formalism
The generally accepted formalism for brachytherapy
Applied for Afterloader, Seeds, Wires, Tubes
(Medical Physics in 1995, revised Version in 2004,
> 50keV in 2012)
Why this formalism???
•
Introduction of revised calibration standards
•
Source strength specification quantities
•
Dose calculation formalisms
•
Confusion with regard to dosimetric data
•
Only quantities from dose rates in water
medium near the actual source to be used