1327 / 1359
Dose-volume coverage maps
Gordon et al., Med Phys 37:550, 2010
Calculate DVH for CTV
•
One entire treatment course
•
Create coverage map
Random error
•
Normal distribution
•
Infinite number of fractions
•
Convolution of dose (or fluence)
Systematic error
•
Sampled from normal distribution
•
Used to shift the CTV
Repeat for N treatments
90% iso-probability line, DVH
90%