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Imaging protocols MRI and CT
Changes during EBRT and IGABT
What changes do we expect during
radiochemotherapy?
- Tumor regression
- Organ and Target movement
Dimopoulos J, Fidarova E:
The use of sectional imaging for
image-guided radiotherapy.
In: Viswanathan AN et al eds.
Gynecologic Radiotherapy.
Springer 2011
… CTV, ITV definition – central issue
for modern RT techniques e.g. IMRT
… shrinking target and IGABT
Imaging protocols CT and MRI, JCA Dimopoulos, P Petrow, Prague, Czech Republic, 22.10.2017 - 26.10.2017
75 %
After 30 Gy EBRT
mean GTV volume
reduction 46%
Authors recommend
re-planning if IMRT
is applied
Van de Bunt et al. IJROBP 2008