Conventional Fractionation Flashcards
1
Q
Brachial plexus
A
Dmax <66 Gy
V60 <5%
2
Q
Brainstem
A
Dmax <54 Gy
V60 <1% (of PTV)
3
Q
Cochlea
A
Mean <45Gy
Dmax <50Gy
4
Q
Inner ear
A
Mean <50 Gy
5
Q
Eyes
A
Dmax <50 Gy
Mean <35 Gy
6
Q
Glottic larynx
A
Mean <45 Gy
7
Q
Lens
A
Dmax <7 Gy
8
Q
Mandible
A
Dmax <70 Gy
V75 <1 cc
9
Q
Optic nerves
A
Dmax <54 Gy
V60 <1% (of PTV)
10
Q
Oral cavity
A
Mean <35Gy
11
Q
Parotid gland (one)
A
Mean <26 Gy
V30 <50%
12
Q
Parotid gland (both)
A
V20 <20 cc (if sparing both)
13
Q
Temporal lobes
A
Dmax <60 Gy
V65 <1% (of PTV)
14
Q
T-M joint
A
Dmax <70 Gy
V75 <1 cc
15
Q
Tongue
A
Dmax <55 Gy
V65 <1% (of PTV)