Dose Course 2018_Flipping book

Dose per MU formalisms: factor-based dose calculations

(

)

(

)

z yxAD 

zyxAD , , ;

, , ;

o

=



M

M



o

Basic factorisation:

Τ D cond.a M Τ D calib M

D cond.a M

Τ D calib M ∙

=

calibration value

factor for condition a

More general…:

Τ

Τ M Τ D cons. c M ∙ D cond.

Τ D cond. a M Τ D cond. b M

D cond. a M

D cond.

M

Τ D calib M ∙

=

∙ ⋯ ∙

Τ D calib M

calibration value

factor for condition a factor for condition a

factor for condition a