481 / 1542
6/3/2017
P
i
P
o
Dose (P
i
) < Dose (P
o
) !!
To get uniform dose to
donut irradiate more
dose near sparing
structure.
Courtesy of Uwe Oelfke
13
Phantom
Target
OA
R
Dose
Source
IMRT
Courtesy of Uwe Oelfke
14
|
|
481 / 1542
6/3/2017
P
i
P
o
Dose (P
i
) < Dose (P
o
) !!
To get uniform dose to
donut irradiate more
dose near sparing
structure.
Courtesy of Uwe Oelfke
13
Phantom
Target
OA
R
Dose
Source
IMRT
Courtesy of Uwe Oelfke
14