QUANTEC Dose Constraints

Quantec Dose Constraints

41 cards·by nevileon

radiation oncologydose constraintsquantec

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Brain (whole) - EBRT

Dmax < 60

Brain (whole) - SRS

V12 < 5-10 cc

Brain stem (whole)

Dmax < 54

Brain Stem (3D CRT)

D1-10 cc < = 59

Brain Stem (Point Dose)

Dmax < 64

Optic Nerve / Chiasm (3D CRT)

Dmax < 55

Optic Nerve / Chiasm (SRS)

Dmax < 12

Spinal Cord (3D CRT)

Dmax = 50

Spinal Cord (SRS - single)

Dmax = 13

Spinal Cord (SRS - hypofrac.)

Dmax = 20

Cochlea (whole, 3D CRT)

Mean < = 45

Cochlea (Whole, SRS)

Prescription Dose < =14

Parotid (Bilateral whole, 3D CRT)

Mean < 25

Parotid (Unilateral whole, 3D CRT)

Mean < 20

Parotid (Bilateral whole, 3D CRT, 50% risk)

Mean < 50

Pharyngeal Constrictors

Mean < 50

Larynx (Whole, Vocal dysfunction)

Dmax < 66

Larynx (Whole, Aspiration)

Mean < 50

Larynx (Whole, Edema - 2 constraints separated by comma)

Mean < 44, V50 < 27

Lung (Volumetric Constraint)

V20 < = 30

Lung (Mean Constraint for 5, 20%)

Mean < 7, Mean < 20

Esophagus (Grade 3 esophagitis)

Mean < 34

Esophagus (Grade 2; three constraints increasing V)

V35 < 50, V50 < 40, V70 < 20

Heart (Pericarditis; Mean Constraint)

Mean < 26

Heart (Pericarditis; Volumetric Constraint)

V30 < 46

Heart (Whole, long-term cardiac mortality)

V25 < 10

Liver (Whole - GTV, 0 Liver Dz)

Mean < 30-32

Liver (Whole - GTV, Child-Pugh A)

Mean < 28

Liver (SBRT, primary liver Ca; 3, 6 fractions)

Mean < 13, Mean < 18

Liver (SBRT, liver mets; 3-6 fractions)

Mean < 15, Mean < 20

Liver (SBRT, > 700 cc normal liver)

Dmax < 15

Kidney (Bilateral whole, Mean)

Mean < 15-18

Kidney (Bilateral whole; 4 volumetric constraints (lowest to highest v, separate with commas)

V12 < 55, V20 < 32, V23 < 30, V28 < 20

Stomach (Whole Organ, ulceration)

D100 < 45

Small Bowel (Individual loops)

V15 < 120 cc

Small Bowel (Peritoneal Space)

V45 < 195 cc

Rectum (5 volumetric constraints, start with smallest V, separate with commas)

V50 < 50, V60 < 35, V65 < 30, V70 < 25, V75 < 15

Bladder (Whole organ, Bladder treatment)

Dmax < 65

Bladder (4 volumetric constraints, start with smallest V, separate with commas)

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

Penile Bulb (Mean Constraint)

Mean to 95% < 50

Penile Bulb (2 Volumetric constraints, largest D first)

D90 < 50, D60-70 < 70