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Anatomy > Dose Limit > Flashcards

Dose Limit Flashcards

1
Q

Optic chiasm

A

54 Gy

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2
Q

Lens

A

200-500 cGy

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3
Q

Globe of eyes

A

50Gy

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4
Q

Optic nerve

A

54 Gy

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5
Q

Brain stem

A

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

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6
Q

Cochlea

A

30 Gy

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7
Q

Spinal Cord

A

45 Gy

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8
Q

Spinal Cord + 0.5 cm

A

50 Gy

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9
Q

Parotids

A

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

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10
Q

Larynx

A

mean dose < 40 Gy

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11
Q

Mandible

A

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

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12
Q

Oral Avoidance

A

mean dose <30 Gy

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Anatomy (1 decks)

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