598 / 1119
Imaging protocols MRI and CT
Key issues for image-guided radiotherapy
Quantitative tumor regression
EBRT: tumor regression 75%
Brachytherapy: tumor regression 10%
easy to predict
61,0
7,9
9,0
10,5
16,3
0
10
20
30
40
50
60
70
prior to therapy 1. brachytherapy 2. brachytherapy 3. brachytherapy 4. brachytherapy
Absolute Vol (cm³)
EBRT
BT
Dimopoulos et al. Strahlenther Onkol 2009
Courtesy : Johannes Dimopoulos