Skip to main content

Table 3 Phase two EBRT component dose constraints

From: PROstate Multicentre External beam radioTHErapy Using a Stereotactic boost: the PROMETHEUS study protocol

Structure

Per-Protocol

Minor Variation

Major Variation

PTVebrt D95

> 46 Gy

44–46 Gy

< 44 Gy

Prostatic Urethra PRV

Dmax < 47 Gy

Dmax: 47–50 Gy

Dmax > 50 Gy

Small Bowel

Dmax < 47 Gy

Dmax: 47–50 Gy

Dmax > 50 Gy

Neck of Femur

Dmax < 35 Gy

Dmax: 35–45 Gy

Dmax> 45 Gy

Rectum V45

< 25%

25–35%

> 35%

Bladder V45

< 25%

25–35%

> 35%