4D is ? + ?
3D + time
interfraction is change in
change in target position from 1 fx to another
intrafraction is change in
change in target position during tx delivery
IFD means
inner fld distance; separation
SFD means
source film distance
on orthogonal films x=
width
iodinated contrast is
aqueous ionic & nonionic
CCD stands for
charged coupled device
on orthogonal films y=
length
on orthogonal films z=
depth
CCD generates
electrical charge sampled pixel by pixel & manipulated to produce a digital image
in CCD, images can be
stored, manipulated, & transferred