ESTRO course Dose Modelling and Verification 2017

29

Lateral dose distributions

10x10 cm 2 at d

and 10 cm depth

max

In smaller fields the “horns” contributes to the dose close to the field edges,

yielding better beam flatness.

Siemens 6 MV, d

Siemens 18 MV, 10 cm

max

Siemens 18 MV, d

Siemens 6 MV, 10 cm

max

T Knöös

Warsaw 2017