Lower GI 2017

Pelvic OARs constraints: sparing the bowel

- V15 as strong predictor in a recent updated model by Robertson (2010) - Not confirmed in the NRG0822 controlled trial (!)…WHY ?

Comparing DVH of patients with/wout bowel tox (prostate ca) (Fiorino 2009)

1600,0 1800,0 cc

1400,0

1200,0

1000,0

800,0

600,0

400,0

200,0

0,0

0,0 10,0 20,0 30,0 40,0 50,0 60,0

Gy

Correlation between V40-V45 and V15 for 3DCRT