Physics Bucharest 2017

The evolution of radiotherapy

Image fusion Computer based CT planning

First Linac

IMRT

Particles MRI-Linac

b)

1960 1970 1980

1990

2000

2010

Standard collimation

Multi-leaf collimation

Volumetric arc therapy

CBCT

SBRT

Aim to increase conformity and reduce toxicity through anatomical accuracy i.e. dose to the target avoiding critical structures