302-303 / 2605
Passive and scanning delivery compared
.
Passive
Mature technology
J
Insensitive to
J
organ motions
Relatively inflexible
L
Field specific
L
hardware required
Large gantries
L
required
Integral dose
L
PBS
New technology
L
Sensitive to
L
organ motions
Very flexible
J
No field specific
J
hardware required
Smaller gantries
J
Integral dose
J
Pencil beam scanning