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Dose per MU formalism:
Philips Pinnacle TPS
The formalism in Pinnacle uses in essence the same approach as that in Eclipse.
Unfortunately the manual does not explicitly describe what is accounted for by the
internal
correction factor
correcting for
residual head scatter effects…
( )
( )
( )
A S
A S
A CF
calc cp,
meas
cp,
residual
=
( )
( )
A CBSF
A CF
1
residual
≅
or