Dose Limit Flashcards Preview

Anatomy > Dose Limit > Flashcards

Flashcards in Dose Limit Deck (12)
Loading flashcards...
1

Optic chiasm

54 Gy

2

Lens

200-500 cGy

3

Globe of eyes

50Gy

4

Optic nerve

54 Gy

5

Brain stem

54 Gy, but 1cc can go to 60 Gy if the PTV is very close

6

Cochlea

30 Gy

7

Spinal Cord

45 Gy

8

Spinal Cord + 0.5 cm

50 Gy

9

Parotids

mean dose < 26 Gy. For unilateral cases, the contralateral parotid mean dose <10 Gy

10

Larynx

mean dose < 40 Gy

11

Mandible

70 Gy, if Rx dose is <70 Gy, then no 5% hot spots in the mandible

12

Oral Avoidance

mean dose <30 Gy