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Warsaw 2017
Including dose calculation uncertainty in DVH construction
• Uncertainty in a dose point has both type A
and type B uncertainty components
– (both for measured data)
• A probability density function can be used to
model uncertainty:
• Used Rectangular, Gaussian and Triangular
distributions
i
i
i
i
i
zD
f
f
) (
) (
Prostate
PTV
Bladder
Rectum
Report uncertainty in DVH to enhance statistical treatment of
Clinical trial results?
Henriquez and Caastrillon MP 2010