General GU Constraints

Question 1

Femoral heads

Answer 1

V50Gy<5% (RTOG GU Consensus)

Question 2

Rectum

Answer 2

V75<50% (QUANTEC)

Question 3

Bladder

Answer 3

V80Gy<50% (QUANTEC)

Question 4

Testis

Answer 4

V3Gy<50% (RTOG 0630)

Question 5

Penile Bulb

Answer 5

Mean dose to 95% of the volume<50Gy (QUANTEC)

Question 6

Urethra (LDR)

Answer 6

Volume of urethra receiving 150% of prescribed dose <30% (Johns Hopkins)

Question 7

Rectum (LDR)

Answer 7

Volume of rectum recieving 100% of prescribed dose <0.5cc (Johns Hopkins)