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RTOG Radiation Dose Constraints



RTOG Radiation Dose Constraints


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Critical StructureDose/fxVolumeDoseMax DoseProtocolTreated organ
Anus2 Gy50%30 Gy 0630Sarcoma
Bladder1.8 Gy60%50 Gy 0621Prostate
Bladder*1.8 Gy70%40 Gy 0534Postop prostate
Bladder1.8 Gy55%50 Gy PMID 18947938RTOG Prostate Group Consensus 2009
Bladder1.8 Gy50%35 Gy 0529Anus
Bladder1.8 Gy50%65 Gy 0415Prostate
Bladder1.8 Gy40%40 Gy 0822Rectum
Bladder*1.8 Gy50%65 Gy 0534Postop prostate
Bladder1.8 Gy40%66.6 Gy 0621Prostate
Bladder1.8 Gy35%40 Gy 0529Anus
Bladder1.8 Gy35%45 Gy 0418Endometrial
Bladder1.8 Gy35%70 Gy 0415Prostate
Bladder1.8 Gy30%70 Gy PMID 18947938RTOG Prostate Group Consensus 2009
Bladder1.8 Gy25%75 Gy 0415Prostate
Bladder1.8 Gy15%45 Gy 0822Rectum
Bladder1.8 Gy15%80 Gy 0415Prostate
Bladder1.8 Gy5%50 Gy 0529Anus
Bladder1.8 Gy  50 Gy0822Rectum
Bone, weightbearing2 Gy50%50 Gy 0630Sarcoma
Brachial Plexus2 Gy5%60 Gy 0619Postop H&N
Brachial Plexus2 Gy  60 Gy0522Definitive H&N
Brachial Plexus2 Gy  66 Gy0619, 0617, 0615Postop H&N, lung, nasopharynx
Brachial Plexus3 Gy  36 Gy0937Lung
Brachial Plexus4 Gy  30 Gy0937Lung
Brachial Plexus10-12 Gy x53 cc6 Gy/fx 0813Lung SBRT
Brachial Plexus10-12 Gy x5  6.4 Gy/fx0813Lung SBRT
Brachial Plexus20 Gy x3  8 Gy/fx0618Lung SBRT
Brachial Plexus16 Gy x13cc14 Gy 0631Spine SBRT
Brachial Plexus16 Gy x1  17.5 Gy0631Spine SBRT
Brainstem1.8-2 Gy 0.03 cc 55 Gy (0.03 cc)0539Intermediate risk meningioma
Brainstem33 fxs  54 Gy0615Nasopharynx
Brainstem1.8-2 Gy  60 Gy (0.03 cc)0539, 0825High risk meningioma, Glioblastoma
Brainstem PRV2 Gy  52 Gy (0.03 cc1016Oropharynx
Bronchus/Trachea10-12 Gy x54cc3.6 Gy/fx105% PTV0813Lung SBRT
Bronchus/Trachea10-12 Gy x5  105% PTV0813Lung SBRT
Bronchus/Trachea20 Gy x3  8 Gy/fx0618Lung SBRT
Cauda Equina16 Gy x15cc14 Gy 0631Spine SBRT
Cauda Equina16 Gy x1  16 Gy0631Spine SBRT
Cochlea33 fxs5%55 Gy 0615Nasopharynx
Colon16 Gy x120 cc14.3 Gy 0631Spine SBRT
Colon16 Gy x1  18.4 Gy0631Spine SBRT
Duodenum16 Gy x110 cc11.2 Gy 0631Spine SBRT
Duodenum16 Gy x1  16 Gy0631Spine SBRT
External genitalia1.8 Gy50%20 Gy 0529Anus
External genitalia1.8 Gy35%30 Gy 0529Anus
External genitalia1.8 Gy5%40 Gy 0529Anus
Esophagus1.8 GyMean34 Gy 0623, 0617Lung
Esophagus1.8 Gy10 cm60 Gy 0623Lung
Esophagus, cervical2 GyMean30 Gy 1016Oropharynx
Esophagus3 Gy  47 Gy0937Lung
Esophagus, nonadjacent wall10-12 Gy x55 cc5.5 Gy/fx 0813Lung SBRT
Esophagus, nonadjacent wall10-12 Gy x5  105% PTV0813Lung SBRT
Esophagus20 Gy x3  9 Gy/fx0618Lung SBRT
Esophagus16 Gy x15cc11.9 Gy 0631Spine SBRT
Esophagus16 Gy x1  16 Gy0631Spine SBRT
Femoral Head1.8 Gy50%30 Gy 0529Anus
Femoral Head1.8 Gy15%30 Gy 0418Endometrial
Femoral Head1.8 Gy40%40 Gy 0822Rectum
Femoral Head1.8 Gy35%40 Gy 0529Anus
Femoral Head1.8 Gy25%45 Gy 0822Rectum
Femoral Head*1.8 Gy10%50 Gy 0534Postop prostate
Femoral Head1.8 Gy5%44 Gy 0529Anus
Femoral Head1.8 Gy5%50 Gy PMID 18947938RTOG Prostate Group Consensus 2009
Femoral Head2 Gy5%60 Gy 0630Sarcoma
Femoral Head1.8 Gy  50 Gy0822Rectum
Femoral Head1.8 Gy  45 Gy0712Bladder
Great Vessels10-12 Gy x510 cc9.4 Gy/fx 0813Lung SBRT
Great Vessels10-12 Gy x5  105% PTV0813Lung SBRT
Great Vessels16 Gy x110 cc31 Gy 0631Spine SBRT
Great Vessels16 Gy x1  37 Gy0631Spine SBRT
Heart10-12 Gy x515 cc5.5 Gy/fx 0813Lung SBRT
Heart10-12 Gy x5  105% PTV0813Lung SBRT
Heart1.8 Gy33%60 Gy 0623, 0617Lung
Heart1.8 Gy33%50 Gy 0436Esophagus
Heart1.8 Gy67%45 Gy 0623, 0617, 0436Lung, esophagus
Heart1.8 Gy100%40 Gy 0623, 0617, 0436Lung, esophagus
Heart3 Gy  47 Gy0937Lung
Heart3 GyV45<30% 0937Lung
Heart20 Gy x3  8 Gy/fx0618Lung SBRT
Heart16 Gy x115 cc16 Gy 0631Spine SBRT
Heart16 Gy x1  22 Gy0631Spine SBRT
Iliac crests1.8 Gy50%30 Gy 0529Anus
Iliac crests1.8 Gy35%40 Gy 0529Anus
Iliac crests1.8 Gy5%50 Gy 0529Anus
Jejunum/Ileum16 Gy x15cc11.9 Gy 0631Spine SBRT
Jejunum/Ileum16 Gy x1  15.4 Gy0631Spine SBRT
Joints2 Gy50%50 Gy 0630Sarcoma
Kidney1.8 Gy100%23 Gy 0436Esophagus
Kidney1.8 Gy67%30 Gy 0436Esophagus
Kidney1.8 Gy33%50 Gy 0436Esophagus
Kidney2 Gy50%14 Gy 0630Sarcoma
Kidney3 GyV18< 25% 0937Lung
Kidney (cortex)16 Gy x1200 cc8.4 Gy 0631Spine SBRT
Kidney (hilum)16 Gy x12/3 volume10.6 Gy 0631Spine SBRT
Large Bowel1.8 Gy200cc30 Gy 0529Anus
Large Bowel1.8 Gy150cc35 Gy 0529Anus
Large Bowel1.8 Gy20cc45 Gy 0529Anus
Larynx, glotticmean20 Gy  1016Oropharynx
Larynx2 Gy  45 Gy0619, 0615, 0522Postop H&N, definitive H&N, nasopharynx
Lens1.8-2 Gy  5 Gy (0.03 cc)0539Intermediate risk meningioma
Lens1.8-2 Gy  7 Gy (0.03 cc)0539, 0825High risk meningioma, Glioblastoma
Lens33 fxs  25 Gy0615Nasopharynx
Lips2 GyMean<20 Gy 1016Oropharynx
Liver1.8 Gy50%35 Gy 0436Esophagus
Liver3 Gy>700 cc<18 Gy 0937Lung
Lung, single2 Gy3 cm CW to field  0413Breast
Lungs, total2 GyV2020% 0630Sarcoma
Lungs, total2 GyV2037% 0617, 0623Lung
Lungs, total2 GyMean20 Gy 0617Lung
Lungs, total3 GyMean20 Gy 0937Lung
Lungs, total3 GyV20<= 30% 0937Lung
Lungs, total10-12 Gy x51500 cc2.5 Gy/fx 0813Lung SBRT
Lungs, total10-12 Gy x51000 cc2.7 Gy/fx 0813Lung SBRT
Lungs, total20 Gy x3V2010%8 Gy/fx0618Lung SBRT
Lungs, total16 Gy x11000 cc7.4 Gy 0631Spine SBRT
Mandible/TM joint2 Gy  66 Gy1016Oropharynx
Mandible/TM joint33 fxs1 cc75 Gy 0615Nasopharynx
Mandible/TM joint33 fxs  70 Gy0615Nasopharynx
Optic chiasm33 fxs  50 Gy0615Nasopharynx
Optic chiasm1.8-2 Gy  54 Gy (0.03 cc)0539Intermediate risk meningioma
Optic chiasm1.8-2 Gy  56 Gy (0.03 cc)0539, 0825High risk meningioma, Glioblastoma
Optic nerve1.8-2 Gy  50 Gy (0.03 cc)0539, 0615Intermediate risk meningioma, nasopharynx
Optic nerve1.8-2 Gy  55 Gy (0.03 cc)0539, 0825High risk meningioma, Glioblastoma
Oral cavity33 fxsMean<40 Gy 0615Nasopharynx
Oral cavity (non-involved)2 GyMean<30 Gy60 Gy1016Oropharynx
Parotid Glands2 GyMean one gland<26 Gy 0619, 0522, 1016Postop H&N, Definitive H&N, Oropharynx
Parotid Glands2 GyD50 one gland<30 Gy 0619, 0522Postop H&N, definitive H&N
Parotid Glands2 GyCombined 20 cc<20 Gy 0619, 0522Postop H&N, definitive H&N
Pharynx, postcricoid33 fxs  45 Gy0615Nasopharynx
Pharynx, posterior wall2 Gy33%50Gy 1016Oropharynx
Pharynx, posterior wall2 Gy15%60Gy 1016Oropharynx
Pharynx, posterior wall2 GyMean45Gy 1016Oropharynx
Penile Bulb1.8 GyMean51 Gy 0415Prostate
Rectum1.8 Gy60%30 Gy 0418Endometrial
Rectum1.8-2 Gy50%55 Gy 0712Bladder
Rectum1.8 Gy50%50 Gy 0621, PMID 18947938Prostate
Rectum1.8 Gy50%60 Gy 0415Prostate
Rectum1.8 Gy35%65 Gy 0415Prostate
Rectum1.8 Gy25%66.6 Gy 0621Prostate
Rectum1.8 Gy25%70 Gy 0415Prostate
Rectum1.8 Gy15%75 Gy 0415Prostate
Rectum*1.8 Gy55%40 Gy 0534Postop prostate
Rectum*1.8 Gy35%65 Gy 0534Postop prostate
Rectum1.8 Gy20%70 Gy PMID 18947938RTOG Prostate Group Consensus 2009
Rectum16 Gy x120 cc14.3 Gy 0631Spine SBRT
Rectum16 Gy x1  18.4 Gy0631Spine SBRT
Retina1.8-2 Gy  45 Gy (0.03 cc)0539Intermediate risk meningioma
Retina1.8-2 Gy  50 Gy (0.03 cc)0539, 0825, 0615High risk meningioma, glioblastoma, nasopharynx
Sacral Plexus16 Gy x15cc14.4 Gy 0631Spine SBRT
Sacral Plexus   18 Gy0631Spine SBRT
Small Bowel1.8 Gy200 cc30 Gy 0529Anus
Small Bowel1.8 Gy150 cc35 Gy 0529Anus
Small Bowel1.8 Gy180 cc35 Gy 0822Rectum
Small Bowel1.8 Gy100 cc40 Gy 0822Rectum
Small Bowel1.8 Gy20 cc45 Gy 0529Anus
Small Bowel1.8 Gy65 cc45 Gy 0822Rectum
Small Bowel1.8 Gy  50 Gy0822, 0529Rectum, anus
Small Bowel1.8 Gy  52 GyPMID 18947938RTOG Prostate Group Consensus 2009
Small Bowel1.8 Gy30%40 Gy 0418Endometrial
Small Bowel3 Gy150 cc30 Gy 0937Lung
Small Bowel3 Gy100 cc35 Gy 0937Lung
Small Bowel3 Gy50 cc40 Gy 0937Lung
Small Bowel3 Gy1 cc45 Gy 0937Lung
Small Bowel4 Gy100 cc30 Gy 0937Lung
Small Bowel4 Gy50 cc35 Gy 0937Lung
Small Bowel4 Gy1 cc40 Gy 0937Lung
Skin10-12 Gy x510 cc6 Gy/fx 0813Lung SBRT
Skin10-12 Gy x5  6.4 Gy/fx0813Lung SBRT
Skin20 Gy x3  8 Gy/fx0618Lung SBRT
Skin16 Gy x110 cc23 Gy 0631Spine SBRT
Skin16 Gy x1  26 Gy0631Spine SBRT
Skin, longitudinal2 Gy50%20 Gy 0630Sarcoma
Spinal Cord1.8 Gy  45 Gy0623, 0615Lung, Nasopharynx
Spinal Cord2 Gy  48 Gy (0.03 cc)0619, 0522Postop H&N, definitive H&N
Spinal Cord2 Gy  50.5 Gy0617Lung
Spinal Cord1.8 Gy10 cm50 Gy 0436Esophagus
Spinal Cord1.8 Gy20 cm47 Gy 0436Esophagus
Spinal cord3 Gy  36 Gy0937Lung
Spinal cord4 Gy  30 Gy0937Lung
Spinal cord PRV2 Gy0.0348 Gy 1016Oropharynx
Spinal Cord10-12 Gy x50.25 cc4.5 Gy/fx 0813Lung SBRT
Spinal Cord10-12 Gy x50.5 cc2.7 Gy/fx 0813Lung SBRT
Spinal Cord10-12 Gy x5  6 Gy/fx0813Lung SBRT
Spinal Cord12 Gy x40.35 cc5.2 Gy/fx 0915Lung SBRT
Spinal Cord12 Gy x41.2 cc3.4 Gy/fx 0915Lung SBRT
Spinal Cord20 Gy x3  6 Gy/fx0618Lung SBRT
Spinal Cord*16 Gy x11.2 cc7 Gy 0631Spine SBRT
Spinal Cord*16 Gy x110%10 Gy 0631Spine SBRT
Spinal Cord16 Gy x10.35 cc10 Gy 0631Spine SBRT
Stomach16 Gy x110 cc11.2 Gy 0631Spine SBRT
Stomach16 Gy x1  16 Gy0631Spine SBRT
Submandibular Gland2 Gymean<39 Gy 1016Oropharynx
Testis2 Gy50%3 Gy 0630Sarcoma
Trachea/Larynx16 Gy x1  20.2 Gy0631Spine SBRT
Trachea/Larynx16 Gy x15cc11.9 Gy 0631Spine SBRT
Vulva2 Gy50%30 Gy 0630Sarcoma


Contouring

  • Dmax: 0.03 cc is approximately 3 mm x 3 mm x 3 mm cube
  • Bladder [0534]: should be contoured from its base to the dome, excluding the CTV1 (the CTV1 includes the bladder neck).
  • Femoral head [0534]: should be outlined down to the interface between the greater and lesser trochanters
  • Rectum [0534]: should be contoured from the anus (at the level of the ischial tuberosities) to the rectosigmoid flexure (this is roughly at about 10 cm) or for a maximum length of 15 cm if the sigmoid flexure if felt to be higher
  • Spinal cord [0631]: The spinal cord should be contoured starting from 5-6 mm above the superior extent of the target volume to 5-6 mm below the inferior extent of the target volume. The spinal cord should be drawn on every slice of simulation CT. The variation of 5-6 mm is due to the pre-determined slice thicknesses of 2.5-3 mm by different CT manufacturers.
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