Thoracic constraints Flashcards
1
Q
30 fraction spinal cord constraint
A
Dmax 50 Gy (for SCLC BID 30 fractions, <41 Gy)
2
Q
30 fraction lung constraint
A
V20 <35-40%; mean <20 Gy
3
Q
30 fraction heart constraint
A
V40 <20 Gy, mean <20 Gy
4
Q
30 fraction esophagus constraint
A
Mean <34 Gy, max 105%; V60 <17%, contralateral sparing
5
Q
30 fraction brachial plexus constraint
A
Mean <69 Gy
6
Q
5 fraction spinal cord constraint
A
Dmax 30 Gy
7
Q
5 fraction esophagus constraint
A
105% of PTV prescription
8
Q
5 fraction heart/pericardium/great vessel/PBT constraint
A
105% of PTV prescription
9
Q
5 fraction brachial plexus constraint
A
Dmax 32 Gy
10
Q
SBRT chest wall constraint
A
V30 Gy <30 cc
11
Q
5 fraction skin constraint
A
Dmax 32 Gy
12
Q
5 fraction lung constraint
A
V20 < 15%, Mean < 8 Gy
