Brachytherapy for Prostate Cancer 2017

DVH constraints for permanent prostate brachytherapy (I-125)

GEC ESTRO Recommendations 2007

Prostate: ▪

V100 ≥ 95% of CTV.

▪

D90 > 100% of prescription dose.

▪

V150 ≤ 50% of CTV.

Rectum: ▪

Primary parameter:

D

≤ 145 Gy .

2cc

▪

Secondary parameter: D

(~D

) < 200 Gy .

0.1cc

max

Urethra: ▪

Primary parameter:

D 10 < 150% of the prescription dose. < 130% of the prescription dose.

▪

Secondary parameter: D 30