QUANTEC Flashcards
bilateral kidney mean
mean < 15Gy <5% clinical dysfunction
bilateral kindey V12
V12 < 50% <5% clinical dysfunction
bilateral kidney V20
V20 < 30% < 5% clinical dysfunction
Liver mean for normal liver
Mean < 30Gy <5% RILD for normal liver
Liver mean for liver disease
Mean < 28Gy <5% RILD for Child-Pugh A or HCC
Small bowel (individual loops) V45
V45 < 120cc <10% Grade 3+
Small bowel (peritoneal cavity) V45
V45 < 195cc <10% Grade 3+
Stomach D100
D100 < 45Gy <7% ulceration
Esophagus mean
Mean < 34Gy 10% grade 3+
Esophagus V50
V50 < 40% <30% grade 2+
Heart V25
V25 < 10% <1% long term cardiac mortality
Heart (Pericardium) mean
Mean < 26Gy <15% pericarditis
Lung V20
V20 < 30% <20% symptomatic pneumonitis
Lung mean
Mean < 20Gy, <20% risk of symptomatic pneumonitis
Brain max
Max < 60Gy <3% symptomatic necrosis
Brain stem max
Max < 54Gy <5% neuropathy or necrosis
Optic nerve/chiasm max
Max < 55Gy <3% neuropathy, Max < 60Gy <5% neuropathy
Spinal cord max
Max < 50Gy < 0.20% myelopathy, Max < 60Gy 6% myelopathy
Cochlea mean
Mean < 45Gy <30% sensory-neural hearing loss
Larynx mean
Mean <44Gy <20 edema
bilateral parotid mean
Mean < 25Gy <20% long term salivary function < 25%
unilateral parotid mean
Mean < 20Gy <20% long term salivary function < 25%
Pharyngeal constrictors mean
Mean < 50Gy <20% symptomatic dyshpagia or aspiration
Bladder (prostate cancer) V65
V65 < 50% <10% grade 3+
Bladder (prostate cancer) V75
V75 < 25% <10% grade 3+
Rectum V50
V50 < 50% <10% grade 3+
Rectum V65
V65 < 25% < 10% grade 3+
Rectum V75
V75 < 15% <10% grade 3+
Penile bulb
Mean dose to 95% gland < 50Gy <35% severe erectile dysfunction
