Advanced Brachytherapy Physics - Vienna 2016

Gyn Pre-planning: Intracavitary / Interstitial Insertion

Based on pre-brachytherapy MRI: With applicator in place Week5: BT 0 (paracervical block)

Cervix cancer N = 18 pts IC/IS: 14 pts

B

0 

A

B

0 

T

T

A

B

0 

T

R

R

R

C

C

T

T

C

d

C

d

C

T

C

d









R

R





R

Prescribed dose

T

T

T

Prescribed dose

Prescribed dose

Prescribed dose

T

T

Prescribed dose

HR CTV

HR CTV

HR CTV

HR CTV

Pre-planned needles

Pre-planned needles

HR CTV

Pre-planned needles

C

D

D

C BT 1&2: IC/IS implant

D

T

T

R

R

T

R

 d

 d

HR CTV

T

T

 d

HR CTV

A week later

T





Prescribed dose

T



Prescribed dose

T

R

R





R



Pre-planned needles Actual needles

Pre-planned needles Actual needles

Petric P, et al. Radiol Oncol 2014

Pre-planned needles Actual needles

s

Actual needles

Actual needles