OAR TOL Flashcards by Sulaiman Arshad | Brainscape

Q

Tolerances + end point for Rectum

A

V50<50%
V60<35%
V65<25%
V70<20%

grade 3+
diarhhoea
pain
ulceration

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Q

Tolerances + end point for bladder

A

V65<50%
V70<35%
V75<25%
V80<15%

grade 3+
dysuria
incontinence

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Q

Tolerances for femoral H & N

End point for femoral H & N

A

V35<100%
V50<10%

femoral neck fracture
femoral head necrosis

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Q

Tolerance for penile bulb

A

D90<50Gy

erectile dysfunction

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Q

Tolerance for SC

A

max 45Gy

myelopathy and paralysis

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Q

Tolerance for brainstem

A

max 54Gy

neuropathy or necrosis

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Q

Tolerance for optic chiasm

A

max 50/54Gy

optic neuropathy

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Q

Tolerance for lens

A

max 7 Gy

blindness

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Q

Tolerance for parotid

A

bilteral mean 25Gy
uni lateral mean 20 Gy

long term salivary function <25%

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Q

Tolerance for oral cavity

A

mean 40Gy

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Q

Tolerance for ipsilateral lung

A

V20<20%

symptomatic pneumonitis

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Q

Tolerance for heart

A

V25<10%

mean <6Gy

pericarditis

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Q

Tolerance for cochlea

A

mean 45Gy

sensory-neural hearing loss

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