Table of Contents Table of Contents
Previous Page  774 / 1359 Next Page
Information
Show Menu
Previous Page 774 / 1359 Next Page
Page Background

Dose per MU formalisms:

factor-based dose calculations

(

)

M

SSD d

s

cD

; ,

,

d

c

s

d

SSD

d

How do factor-based formalisms deal with:

• non-square collimator settings

• fields shaped with blocks or MLCs

• points off axis

• modulation with hard wedges

• modulation with ‘soft’ wedges

• other modulations (IMRT fields)

• Inhomogeneities

?