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Table 1 Dose targets and constraints for treatment planning

From: Stereotactic Body Radiation Therapy (SBRT) for clinically localized prostate cancer: the Georgetown University experience

36.25 Gy plan constraints

 

Global Max Dose

48.33 Gy

PTV

V (36.25 Gy) ≥ 95%

Rectum

V (36 Gy) < 1 cc

 

V (100%) < 5%

 

V (90%) < 10%

 

V (80%) < 20%

 

V (75%) < 25%

 

V (50%) < 50%

Bladder

V (37 Gy) < 5 cc

 

V (100%) < 10%

 

V (50%) < 40%

Penile Bulb

V (29.5 Gy) < 50%

Membranous urethra

V (37 Gy) < 50%

Sigmoid colon

V (30 Gy) < 1 cc

Testicles

D (20%) < 2 Gy

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Radiation Oncology

ISSN: 1748-717X

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