AROI-ESTRO GYN Teaching Course

AP/PA vs 4F BOX (3DCRT)

AP-PA

100 102 104

10 MV

Four field box

84 86 88 90 92 94 96 98

AP-PA

700

Four field box

600

500

400

bladder 30 Gy

bladder 42.75 Gy

300

volume in cc

200

100

100

AP-PA Four field box

0

80

bowel 30 Gy

bowel 42.75 Gy

60

40

20

Van de Bunt et al 2006

0

rectum 30 Gy

rectum 42.72 Gy