Planning OAR Tolerances Flashcards
1
Q
Tolerances for Rectum
A
V50<50%
V60<35%
V65<25%
V70<20%
2
Q
End Point toxcity for rectum
A
- grade 3+
- diarhhoea
- pain
- ulceration
3
Q
Tolerances for bladder
A
V65<50%
V70<35%
V75<25%
V80<15%
4
Q
End point toxcity for bladder
A
- grade 3+
- dysuria
- incontinence
5
Q
Tolerances for femoral H & N
A
V35<100%
V50<10%
6
Q
End point for femoral H & N
A
- femoral neck fracture
- femoral head necrosis
7
Q
Tolerance for penile bulb
A
D90<50Gy
8
Q
End point for penile bulb
A
- erectile dysfunction
9
Q
Tolerance for SC
A
max 45Gy
10
Q
End point for SC
A
myelopathy and paralysis
11
Q
Tolerance for brainstem
A
max 54Gy
12
Q
End point for brainstem
A
neuropathy or necrosis
13
Q
Tolerance for optic chiasm
A
max 50/54Gy
14
Q
End point for optic chiasm
A
optic neuropathy
15
Q
Tolerance for lens
A
max 7Gy
