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| - Main article: Tomography Computed tomography (CT),
originally known as computed axial tomography (CAT or CT scan)
and body section roentgenography, (and also known as computed
axial tomography (CAT scan) X-ray computed tomography is a
medical imaging method employing tomography where digital
geometry processing is used to generate a three-dimensional
image of the internals of an object from a large series of two-
dimensional X-ray images taken around a single axis of rotation.
The word "tomography" is derived from the Greek tomos (slice)
and graphia (describing). CT produces a volume of data which can
be manipulated, through a process known as windowing, in order
to demonstrate various structures based on their ability to
block the x-ray beam. Although historically (see below) the
images generated were in the axial or transverse plane
(orthogonal to the long axis of the body), modern