Research Masterclass in Radiotherapy Physics 2017

Results Urethra

Urethra

robot 40.4 38.3

VMAT

%Diff

p-value

2.8 1.9

0.001

D5% (Gy) D50% (Gy)

41.6 39.1

<0.001

Better urethra sparing with robot

Urethra D50%

Urethra D5%

41

39 40 40 41 41 42 42 43 43 44 44 39 40 41 42 43 44

40

39

VMAT

VMAT

38

37

37

38

39

40

41

robot

robot

Results Patient – dose bath

Patient

robot 1137

VMAT

%Diff

p-value <0.001 <0.001 <0.001

37 25 18

V10Gy (cc) V20Gy (cc) V30Gy (cc)

1789

294 150

392 182

Reduced dose bath with robot

V20Gy

V30Gy

V10Gy

290

580

2150

240

480

1650

190

380

1150

140

280

VMAT

650

180

90

650 1150 1650 2150

180 280 380 480 580 robot

90 140 190 240 290 robot

robot

16