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ESTRO IG and Adaptive
Course Parikh Athens 2017
Impact on dose to the rectum and CT/MRI
delineation of the prostate
Differences in target results in increased therapeutic ratio. This can be used in
two ways:
Prostate dose 78 Gy (5 mm ctv-ptv margin)
EUD rectum 68 Gy is reduced to 62 Gy
If EUD 68 Gy is acceptable (5 mm margin)
Dose prostate 78 Gy is increased to 85 Gy